diff --git a/Cargo.lock b/Cargo.lock
index fecb9630..add57428 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1325,12 +1325,13 @@ dependencies = [
 
 [[package]]
 name = "sha3"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be176f1a57ce4e3d31c1a166222d9768de5954f811601fb7ca06fc8203905ce1"
+checksum = "bc9bad02c26382724b2d2692c6f179285e4b54eeecd7968f52a50059c3c11759"
 dependencies = [
  "digest",
  "keccak",
+ "sponge-cursor",
 ]
 
 [[package]]
diff --git a/slh-dsa/Cargo.toml b/slh-dsa/Cargo.toml
index fc61dc81..df72d9e3 100644
--- a/slh-dsa/Cargo.toml
+++ b/slh-dsa/Cargo.toml
@@ -23,7 +23,7 @@ hybrid-array = { version = "0.4", features = ["extra-sizes"] }
 pkcs8 = { version = "0.11", default-features = false }
 rand_core = "0.10"
 sha2 = { version = "0.11", default-features = false }
-sha3 = { version = "0.11", default-features = false }
+sha3 = { version = "0.12", default-features = false }
 signature = { version = "3", features = ["rand_core"] }
 typenum = { version = "1.20", features = ["const-generics"] }
 zerocopy = { version = "0.8", features = ["derive"] }
diff --git a/xmss/Cargo.toml b/xmss/Cargo.toml
index c44c0247..e019db8d 100644
--- a/xmss/Cargo.toml
+++ b/xmss/Cargo.toml
@@ -28,7 +28,7 @@ hybrid-array = { version = "0.4", features = ["zeroize"] }
 pkcs8 = { version = "0.11", optional = true, default-features = false, features = ["alloc"] }
 rand = "0.10"
 sha2 = "0.11"
-sha3 = "0.11"
+sha3 = "0.12"
 serdect = { version = "0.4", features = ["alloc"], optional = true }
 signature = "3"
 spki = { version = "0.8", optional = true, default-features = false, features = ["alloc"] }