diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 0b1422066..d1f9b3aa4 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -106,10 +106,49 @@ jobs:
       run: >-
         ctest
         --test-dir ${{ env.BUILD_DIR }}
-        --parallel
+          --parallel
         --output-on-failure
         --no-tests=error
 
     - name: Install project
       if: ${{ contains(matrix.build, 'cmake') }}
-      run: cmake --install ${{ env.BUILD_DIR }}
\ No newline at end of file
+      run: cmake --install ${{ env.BUILD_DIR }}
+
+    - name: Validate generated pkg-config file
+      if: ${{ matrix.build == 'cmake' }}
+      shell: bash
+      run: |
+        # 1. Dynamically find the directory containing the .pc file (handles lib vs lib64)
+        PC_FILE=$(find $PWD/_dist -name "fortran_stdlib.pc" | head -n 1)
+        
+        if [ -z "$PC_FILE" ]; then
+          echo "Error: fortran_stdlib.pc was not found in the installation directory!"
+          exit 1
+        fi
+        
+        PC_DIR=$(dirname "$PC_FILE")
+        export PKG_CONFIG_PATH="$PC_DIR:$PKG_CONFIG_PATH"
+        echo "Found pkg-config file in: $PC_DIR"
+        
+        # 2. Check if the module can be found and the syntax is valid
+        pkg-config --validate fortran_stdlib
+        
+        # 3. Extract the paths that pkg-config generated
+        LIB_DIR=$(pkg-config --variable=libdir fortran_stdlib)
+        INC_DIR=$(pkg-config --variable=includedir fortran_stdlib)
+        
+        # 4. Verify the paths actually exist to catch double-prefixing
+        if [ ! -d "$LIB_DIR" ]; then
+          echo "Error: Library directory '$LIB_DIR' does not exist."
+          exit 1
+        fi
+        
+        if [ ! -d "$INC_DIR" ]; then
+          echo "Error: Include directory '$INC_DIR' does not exist."
+          exit 1
+        fi
+        
+        # 5. Print flags for debugging CI logs
+        echo "Resolved CFLAGS: $(pkg-config --cflags fortran_stdlib)"
+        echo "Resolved LIBS: $(pkg-config --libs fortran_stdlib)"
+      run: cmake --install ${{ env.BUILD_DIR }}