diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 17b2fbbae7bd5..66afa60c5a62c 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -23,6 +23,7 @@ on:
       - 'lld/docs/**'
       - 'openmp/docs/**'
       - 'polly/docs/**'
+      - 'flang/docs/**'
   pull_request:
     paths:
       - 'llvm/docs/**'
@@ -35,6 +36,7 @@ on:
       - 'lld/docs/**'
       - 'openmp/docs/**'
       - 'polly/docs/**'
+      - 'flang/docs/**'
 
 jobs:
   check-docs-build:
@@ -75,6 +77,8 @@ jobs:
               - 'openmp/docs/**'
             polly:
               - 'polly/docs/**'
+            flang:
+              - 'flang/docs/**'
       - name: Fetch LLVM sources (PR)
         if: ${{ github.event_name == 'pull_request' }}
         uses: actions/checkout@v4
@@ -143,4 +147,11 @@ jobs:
         run: |
           cmake -B polly-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="polly" -DLLVM_ENABLE_SPHINX=ON ./llvm
           TZ=UTC ninja -C polly-build docs-polly-html docs-polly-man
+      - name: Build Flang docs
+        if: steps.docs-changed-subprojects.outputs.flang_any_changed == 'true'
+        # TODO(boomanaiden154): Remove the SPHINX_WARNINGS_AS_ERRORS from the
+        # CMake invocation once the warnings in the flang docs build are fixed.
+        run: |
+          cmake -B flang-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang;mlir;flang" -DLLVM_ENABLE_SPHINX=ON -DSPHINX_WARNINGS_AS_ERRORS=OFF ./llvm
+          TZ=UTC ninja -C flang-build docs-flang-html docs-flang-man