diff --git a/.actions/build-linux-i686-w64-mingw32-gcc b/.actions/build-linux-i686-w64-mingw32-gcc
index fe521ab9..fdc36cb0 100755
--- a/.actions/build-linux-i686-w64-mingw32-gcc
+++ b/.actions/build-linux-i686-w64-mingw32-gcc
@@ -32,8 +32,8 @@ make -j"$(nproc)" -C build
 sudo make -C build install
 cd ..
 
-# Build and install OpenSSL 1.1.1w.
-git clone --depth=1 https://github.com/openssl/openssl -b OpenSSL_1_1_1w
+# Build and install OpenSSL 3.0.15.
+git clone --depth=1 https://github.com/openssl/openssl -b openssl-3.0.15
 cd openssl
 ./Configure mingw --prefix=/fakeroot --openssldir=/fakeroot/openssl \
 	--cross-compile-prefix=i686-w64-mingw32-
diff --git a/README.adoc b/README.adoc
index b6819733..f2397928 100644
--- a/README.adoc
+++ b/README.adoc
@@ -45,7 +45,7 @@ https://developers.yubico.com/libfido2/Releases[release page].
 === Dependencies
 
 *libfido2* depends on https://github.com/pjk/libcbor[libcbor],
-https://www.openssl.org[OpenSSL] 1.1 or newer, and https://zlib.net[zlib].
+https://www.openssl.org[OpenSSL] 3.0 or newer, and https://zlib.net[zlib].
 On Linux, libudev
 (part of https://www.freedesktop.org/wiki/Software/systemd[systemd]) is also
 required.