diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 8622caa2d0..2759b06419 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -316,7 +316,7 @@ jobs:
           - name: '!ssl !http !smtp !imap'
             image: ubuntu-26.04-arm
             tflags: '--min=500'
-            configure: --without-ssl --enable-debug --disable-http --disable-smtp --disable-imap --disable-unity
+            configure: --without-ssl --enable-debug --disable-http --disable-smtp --disable-imap --disable-unity --enable-httpsig
 
           - name: 'clang-tidy'
             image: ubuntu-26.04
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 14a276384c..f32e01894f 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -235,7 +235,7 @@ jobs:
 
           - name: '!ssl libssh2 AppleIDN'
             compiler: clang
-            generate: -DENABLE_DEBUG=ON -DCURL_USE_LIBSSH2=ON -DUSE_APPLE_IDN=ON -DCURL_ENABLE_SSL=OFF -DCURL_BROTLI=OFF -DCURL_ZSTD=OFF
+            generate: -DENABLE_DEBUG=ON -DCURL_USE_LIBSSH2=ON -DUSE_APPLE_IDN=ON -DCURL_ENABLE_SSL=OFF -DCURL_BROTLI=OFF -DCURL_ZSTD=OFF -DCURL_DISABLE_HTTPSIG=OFF
             tflags: '--min=1630'
 
           - name: 'OpenSSL libssh c-ares'