diff --git a/Cargo.lock b/Cargo.lock
index 0f55923..d81a5e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,28 +8,17 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
-[[package]]
-name = "cfg-if"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
-
 [[package]]
 name = "daachorse"
-version = "1.0.0"
+version = "3.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "63b7ef7a4be509357f4804d0a22e830daddb48f19fd604e4ad32ddce04a94c36"
+checksum = "5614204febbc33cc07a2806aa6440b904ac012b68eecc37f4493ea4a76455a3d"
 
 [[package]]
-name = "getrandom"
-version = "0.1.16"
+name = "fastrand"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi",
-]
+checksum = "da7c62ceae207dd37ea5b845da6a0696c799f85e97da1ab5b7910be3c1c80223"
 
 [[package]]
 name = "heck"
@@ -39,93 +28,77 @@ checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
 [[package]]
 name = "libc"
-version = "0.2.180"
+version = "0.2.189"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcc35a38544a891a5f7c865aca548a982ccb3b8650a5b06d0fd33a10283c56fc"
+checksum = "3eaf3ede3fee6db1a4c2ee091bf8a8b4dccdc6d17f656fb07896ee72867612f2"
 
 [[package]]
 name = "once_cell"
-version = "1.21.3"
+version = "1.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
+checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
 
 [[package]]
 name = "phf"
-version = "0.8.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3dfb61232e34fcb633f43d12c58f83c1df82962dcdfa565a4e866ffc17dafe12"
+checksum = "c1562dc717473dbaa4c1f85a36410e03c047b2e7df7f45ee938fbef64ae7fadf"
 dependencies = [
  "phf_macros",
  "phf_shared",
- "proc-macro-hack",
+ "serde",
 ]
 
 [[package]]
 name = "phf_generator"
-version = "0.8.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17367f0cc86f2d25802b2c26ee58a7b23faeccf78a396094c13dced0d0182526"
+checksum = "135ace3a761e564ec88c03a77317a7c6b80bb7f7135ef2544dbe054243b89737"
 dependencies = [
+ "fastrand",
  "phf_shared",
- "rand",
 ]
 
 [[package]]
 name = "phf_macros"
-version = "0.8.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f6fde18ff429ffc8fe78e2bf7f8b7a5a5a6e2a8b58bc5a9ac69198bbda9189c"
+checksum = "812f032b54b1e759ccd5f8b6677695d5268c588701effba24601f6932f8269ef"
 dependencies = [
  "phf_generator",
  "phf_shared",
- "proc-macro-hack",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.119",
 ]
 
 [[package]]
 name = "phf_shared"
-version = "0.8.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c00cf8b9eafe68dde5e9eaa2cef8ee84a9336a47d566ec55ca16589633b65af7"
+checksum = "e57fef6bc5981e38c2ce2d63bfa546861309f875b8a75f092d1d54ae2d64f266"
 dependencies = [
  "siphasher",
 ]
 
 [[package]]
 name = "portable-atomic"
-version = "1.13.0"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f89776e4d69bb58bc6993e99ffa1d11f228b839984854c7daeb5d37f87cbe950"
-
-[[package]]
-name = "ppv-lite86"
-version = "0.2.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9"
-dependencies = [
- "zerocopy",
-]
-
-[[package]]
-name = "proc-macro-hack"
-version = "0.5.20+deprecated"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc375e1527247fe1a97d8b7156678dfe7c1af2fc075c9a4db3690ecd2a148068"
+checksum = "05c8b63e8d9609db387f0324918f81d68fe27748f084ef092fb35954d0539a85"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.105"
+version = "1.0.107"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "535d180e0ecab6268a3e718bb9fd44db66bbbc256257165fc699dadf70d16fe7"
+checksum = "985e7ec9bb745e6ce6535b544d84d6cd6f7ad8bd711c398938ae983b91a766d9"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "py-text2num"
-version = "3.0.2"
+version = "3.1.0"
 dependencies = [
  "pyo3",
  "text2num",
@@ -133,9 +106,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.29.0"
+version = "0.29.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd274650b21d4bfc26a0a47587962c1edb425f69287324355cd040c3ea66071c"
+checksum = "4688ddedf473e32662b9b067670129a8afb8c18e351482c70d62ba4a88171e8b"
 dependencies = [
  "libc",
  "once_cell",
@@ -147,18 +120,18 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.29.0"
+version = "0.29.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5e2a7d2f0d013342f295c048ad19237add5154a55b1c5a254c0ec93d4109078"
+checksum = "f41027e41b4bd03f6e60f9f417fe24a6341a6bb744edd62b6f709f2a52ea30e9"
 dependencies = [
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.29.0"
+version = "0.29.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca85c467da1bbc8d866eea5deff9cf29ea5f7785054a17da36e65bda9c05845b"
+checksum = "e591a95526fead067432c3b3a33fc74770b87b1e04e73671090d9c2055a2b327"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -166,99 +139,77 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.29.0"
+version = "0.29.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ac53762fd065daa3194dd09337a38bd793a188100fd1a9304c4ab312d901771"
+checksum = "73225868fc1cd84eef2c3c230ddb91273bf1de46aeb8a4248da76d32a0924a1c"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.119",
 ]
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.29.0"
+version = "0.29.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ca3a1557399783172dc5bf39cfca835157732532cba56b71d2292161e53b362"
+checksum = "571575aa3749fa6216757dd47d2a3e7ef360f329a40f0666a9fbd14889024952"
 dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.119",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.43"
+version = "1.0.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc74d9a594b72ae6656596548f56f667211f8a97b3d4c3d467150794690dc40a"
+checksum = "1fbf4db142a473a8d80c26bbf18454ed458bf8d26c8219c331daecfdbd079001"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
-name = "rand"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom",
- "libc",
- "rand_chacha",
- "rand_core",
- "rand_hc",
- "rand_pcg",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.5.1"
+name = "serde"
+version = "1.0.229"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
+checksum = "4148590afebada386688f18773da617792bf2ef03ffc1e4cbd2b1d45b023e0ba"
 dependencies = [
- "getrandom",
+ "serde_core",
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.2.0"
+name = "serde_core"
+version = "1.0.229"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
+checksum = "67dca2c9c51e58a4791a4b1ed58308b39c64224d349a935ab5039aa360942a48"
 dependencies = [
- "rand_core",
+ "serde_derive",
 ]
 
 [[package]]
-name = "rand_pcg"
-version = "0.2.1"
+name = "serde_derive"
+version = "1.0.229"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16abd0c1b639e9eb4d7c50c0b8100b0d0f849be2349829c740fe8e6eb4816429"
+checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
 dependencies = [
- "rand_core",
+ "proc-macro2",
+ "quote",
+ "syn 3.0.3",
 ]
 
 [[package]]
 name = "siphasher"
-version = "0.3.11"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38b58827f4464d87d377d175e90bf58eb00fd8716ff0a62f80356b5e61555d0d"
+checksum = "8ee5873ec9cce0195efcb7a4e9507a04cd49aec9c83d0389df45b1ef7ba2e649"
 
 [[package]]
 name = "syn"
-version = "1.0.109"
+version = "2.0.119"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+checksum = "872831b642d1a07999a962a351ed35b955ea2cfc8f3862091e2a240a84f17297"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -267,9 +218,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.114"
+version = "3.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4d107df263a3013ef9b1879b0df87d706ff80f65a86ea879bd9c31f9b307c2a"
+checksum = "53e9bae58849f64dfa4f5d5ae372c8341f7305f82a3868709269343628b659a3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -278,15 +229,15 @@ dependencies = [
 
 [[package]]
 name = "target-lexicon"
-version = "0.13.4"
+version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1dd07eb858a2067e2f3c7155d54e929265c264e6f37efe3ee7a8d1b5a1dd0ba"
+checksum = "adb6935a6f5c20170eeceb1a3835a49e12e19d792f6dd344ccc76a985ca5a6ca"
 
 [[package]]
 name = "text2num"
-version = "2.6.5"
+version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5c41d9a522f338e78b3f2fd8d1bdef6a0d7987dccb91850b2f6e4abeacc1095"
+checksum = "372f8f5b672792938479cc6b13774c0f13a23fcc925511d82ddd4462f6f6ebd7"
 dependencies = [
  "bitflags",
  "daachorse",
@@ -295,32 +246,6 @@ dependencies = [
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.22"
+version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
-
-[[package]]
-name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
-[[package]]
-name = "zerocopy"
-version = "0.8.33"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "668f5168d10b9ee831de31933dc111a459c97ec93225beb307aed970d1372dfd"
-dependencies = [
- "zerocopy-derive",
-]
-
-[[package]]
-name = "zerocopy-derive"
-version = "0.8.33"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c7962b26b0a8685668b671ee4b54d007a67d4eaf05fda79ac0ecf41e32270f1"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.114",
-]
+checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
diff --git a/Cargo.toml b/Cargo.toml
index 218f5b6..0060323 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "py-text2num"
-version = "3.0.2"
+version = "3.1.0"
 edition = "2024"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -10,4 +10,4 @@ crate-type = ["cdylib"]
 
 [dependencies]
 pyo3 = "0.29"
-text2num = "2.6.5"
+text2num = "2.8.0"
diff --git a/README.md b/README.md
index 15f1333..7e97702 100644
--- a/README.md
+++ b/README.md
@@ -13,13 +13,15 @@ No IA involved: it is low on resources (and energy!) consumption and the latency
 
 Supported natural languages (in alphabetical order):
 
+* Danish;
 * Dutch;
 * English;
 * French;
 * German;
 * Italian;
 * Portuguese (Brazilian and European);
-* Spanish.
+* Spanish;
+* and more to come.
 
 ## Versions 3.X vs 2.X
 
diff --git a/pyproject.toml b/pyproject.toml
index 4a9c703..e2b237f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "text2num"
-description = "Parse and convert numbers written in French, Spanish, English, Portuguese, German, Dutch or Italian into their digit representation."
+description = "Parse and convert numbers written in French, Spanish, English, Portuguese, German, Dutch, Danish, or Italian into their digit representation."
 readme = "README.md"
 license = "MIT"
 license_files = ["LICENSE"]
@@ -27,6 +27,7 @@ classifiers = [
     "Natural Language :: Portuguese",
     "Natural Language :: German",
     "Natural Language :: Dutch",
+    "Natural Language :: Danish",
     "Natural Language :: Italian"
 ]
 dynamic = ["version"]
diff --git a/src/lib.rs b/src/lib.rs
index b5dc02f..d81230a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,5 @@
+use std::borrow::Cow;
+
 use pyo3::exceptions::PyValueError;
 use pyo3::prelude::*;
 use pyo3::types::PyList;
@@ -38,7 +40,6 @@ fn text_to_num(text: &str, lang: &str) -> PyResult<i64> {
 struct TokenAdaptor<'a> {
     model: Bound<'a, PyAny>,
     text_cache: String,
-    text_cache_lowercase: String,
 }
 
 impl<'a> TokenAdaptor<'a> {
@@ -52,21 +53,17 @@ impl<'a> TokenAdaptor<'a> {
             );
         }
         let text_cache: String = py_result.extract().unwrap();
-        Self {
-            model,
-            text_cache_lowercase: text_cache.to_lowercase(),
-            text_cache,
-        }
+        Self { model, text_cache }
     }
 }
 
 impl<'a> Token for TokenAdaptor<'a> {
-    fn text(&self) -> &str {
-        self.text_cache.as_str()
+    fn text(&self) -> Cow<'_, str> {
+        self.text_cache.as_str().into()
     }
 
-    fn text_lowercase(&self) -> &str {
-        self.text_cache_lowercase.as_str()
+    fn text_lowercase(&self) -> Cow<'_, str> {
+        self.text_cache.to_lowercase().into()
     }
 
     fn nt_separated(&self, previous: &Self) -> bool {