diff --git a/.github/workflows/postgresql-16-src-make-macos.yml b/.github/workflows/postgresql-16-src-make-macos.yml
index 61ad07a6..0092b22b 100644
--- a/.github/workflows/postgresql-16-src-make-macos.yml
+++ b/.github/workflows/postgresql-16-src-make-macos.yml
@@ -28,7 +28,7 @@ jobs:
         run: |
           export LDFLAGS="-L/usr/local/opt/openssl/lib"
           export CPPFLAGS="-I/usr/local/opt/openssl/include"
-          export PKG_CONFIG_PATH="/usr/local/opt/openssl/lib/pkgconfig"
+          export PKG_CONFIG_PATH="/usr/local/opt/icu4c/lib/pkgconfig:/usr/local/opt/openssl/lib/pkgconfig"
           ./configure --with-openssl  --enable-tap-tests=no --prefix=$HOME/postgres
           make -j
           sudo make install