diff --git a/.ci/linux-build.sh b/.ci/linux-build.sh
index d5ad919d14..6075c440cd 100755
--- a/.ci/linux-build.sh
+++ b/.ci/linux-build.sh
@@ -19,14 +19,14 @@ if [ "$AARCH64" = "1" ]; then
     OPTS="$OPTS --cross-file config/arm/arm64_armv8_linux_gcc"
 fi
 
+if [ "$BUILD_DOCS" = "1" ]; then
+    OPTS="$OPTS -Denable_docs=true"
+fi
+
 OPTS="$OPTS --default-library=$DEF_LIB"
 meson build --werror -Dexamples=all $OPTS
 ninja -C build
 
-if [ "$BUILD_DOCS" = "1" ]; then
-    ninja -C build doc
-fi
-
 if [ "$RUN_TESTS" = "1" ]; then
     sudo meson test -C build --suite fast-tests -t 3
 fi
diff --git a/.travis.yml b/.travis.yml
index 781f9f666a..3d6ef2959c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,6 +23,9 @@ extra_packages: &extra_packages
   - *required_packages
   - [libbsd-dev, libpcap-dev, libcrypto++-dev, libjansson4]
 
+doc_packages: &doc_packages
+  - [doxygen, graphviz, python3-sphinx]
+
 before_install: ./.ci/${TRAVIS_OS_NAME}-setup.sh
 
 env:
@@ -30,7 +33,7 @@ env:
   - DEF_LIB="shared"
   - DEF_LIB="static" OPTS="-Denable_kmods=false"
   - DEF_LIB="shared" OPTS="-Denable_kmods=false"
-  - DEF_LIB="shared" RUN_TESTS=1 BUILD_DOCS=1
+  - DEF_LIB="shared" RUN_TESTS=1
 
 matrix:
   include:
@@ -58,6 +61,7 @@ matrix:
       apt:
         packages:
           - *extra_packages
+          - *doc_packages
   - env: DEF_LIB="static" OPTS="-Denable_kmods=false" EXTRA_PACKAGES=1
     compiler: gcc
     addons:
@@ -88,6 +92,7 @@ matrix:
       apt:
         packages:
           - *extra_packages
+          - *doc_packages
   - env: DEF_LIB="static" OPTS="-Denable_kmods=false" EXTRA_PACKAGES=1
     compiler: clang
     addons: