diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index cae0184a8..c17ce8860 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -20,7 +20,7 @@ jobs:
       - name: setup prerequisites
         run: |
           sudo apt update
-          sudo apt install autoconf automake libtool libudev-dev m4
+          sudo apt install autoconf automake libtool libudev-dev m4 doxygen
 
       - name: bootstrap
         run: ./bootstrap.sh
@@ -30,7 +30,7 @@ jobs:
         run: .private/ci-build.sh --build-dir build-netlink --no-test -- --disable-udev
 
       - name: udev
-        run: .private/ci-build.sh --build-dir build-udev -- --enable-udev
+        run: .private/ci-build.sh --build-dir build-udev --build-docs -- --enable-udev
 
       - name: debug-log
         run: .private/ci-build.sh --build-dir build-debug -- --enable-debug-log
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 308ea2a8f..cac918737 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -21,7 +21,7 @@ jobs:
         shell: bash
         run: |
           brew update
-          brew install autoconf automake libtool m4
+          brew install autoconf automake libtool m4 doxygen
 
       - name: bootstrap
         shell: bash
@@ -29,7 +29,7 @@ jobs:
 
       - name: compile
         shell: bash
-        run: .private/ci-build.sh --build-dir build
+        run: .private/ci-build.sh --build-dir build --build-docs
 
       - name: Xcode
         shell: bash
diff --git a/.private/ci-build.sh b/.private/ci-build.sh
index 33dfb3b98..4b8026d25 100755
--- a/.private/ci-build.sh
+++ b/.private/ci-build.sh
@@ -7,6 +7,7 @@ scriptdir=$(dirname $(readlink -f "$0"))
 install=no
 test=yes
 asan=yes
+docs=no
 
 while [ $# -gt 0 ]; do
 	case "$1" in
@@ -30,6 +31,10 @@ while [ $# -gt 0 ]; do
 		asan=no
 		shift
 		;;
+	--build-docs)
+		docs=yes
+		shift
+		;;
 	--)
 		shift
 		break;
@@ -76,6 +81,10 @@ echo ""
 echo "Building ..."
 make -j4 -k
 
+if [ "${docs}" = "yes" ]; then
+	make -C docs
+fi
+
 if [ "${test}" = "yes" ]; then
 	# Load custom shim for WebUSB tests that simulates Web environment.
 	export NODE_OPTIONS="--require ${scriptdir}/../tests/webusb-test-shim/"