diff --git a/README.md b/README.md
index 34a279f347d..bfb50f33dbd 100644
--- a/README.md
+++ b/README.md
@@ -1754,9 +1754,13 @@ $ apk add curl-dev gcc libxml2-dev musl-dev openssl-dev clang-dev
 
 ### Build on macOS
 
+Hurl depends on libssl, libcurl and libxml2 native libraries. On a fresh macOS,
+OpenSSL is not where `openssl-sys` looks for it, and `cargo build` stops with
+"Could not find directory of OpenSSL installation".
+
 ```shell
 $ xcode-select --install
-$ brew install pkg-config
+$ brew install pkg-config openssl
 ```
 
 Hurl is written in [Rust]. You should [install] the latest stable release.
diff --git a/docs/installation.md b/docs/installation.md
index 48a4c2e6eba..f105633f4cd 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -171,9 +171,13 @@ $ apk add curl-dev gcc libxml2-dev musl-dev openssl-dev clang-dev
 
 ### Build on macOS
 
+Hurl depends on libssl, libcurl and libxml2 native libraries. On a fresh macOS,
+OpenSSL is not where `openssl-sys` looks for it, and `cargo build` stops with
+"Could not find directory of OpenSSL installation".
+
 ```shell
 $ xcode-select --install
-$ brew install pkg-config
+$ brew install pkg-config openssl
 ```
 
 Hurl is written in [Rust]. You should [install] the latest stable release.
diff --git a/packages/hurl/README.md b/packages/hurl/README.md
index d531bb324f8..ac6460b689a 100644
--- a/packages/hurl/README.md
+++ b/packages/hurl/README.md
@@ -1754,9 +1754,13 @@ $ apk add curl-dev gcc libxml2-dev musl-dev openssl-dev clang-dev
 
 ### Build on macOS
 
+Hurl depends on libssl, libcurl and libxml2 native libraries. On a fresh macOS,
+OpenSSL is not where `openssl-sys` looks for it, and `cargo build` stops with
+"Could not find directory of OpenSSL installation".
+
 ```shell
 $ xcode-select --install
-$ brew install pkg-config
+$ brew install pkg-config openssl
 ```
 
 Hurl is written in [Rust]. You should [install] the latest stable release.