Index: .github/workflows/ubuntu-latest-gcc.yml
==================================================================
--- .github/workflows/ubuntu-latest-gcc.yml
+++ .github/workflows/ubuntu-latest-gcc.yml
@@ -19,15 +19,17 @@
           - --disable-shared
           - --disable-shared --enable-seluid24
           - --disable-compiler-tls --disable-threads
           - --with-tls=gnutls
           - --with-tls=gnutls --disable-shared
+          - --with-tls=mbedtls --with-mbedtls-ca-path=/etc/ssl/certs/ca-certificates.crt
+          - --with-tls=mbedtls --with-mbedtls-ca-path=/etc/ssl/certs/ca-certificates.crt --disable-shared
     steps:
     - name: Install dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install gobjc libssl-dev gnutls-dev
+        sudo apt-get install gobjc libssl-dev gnutls-dev libmbedtls-dev
     - uses: actions/checkout@v4
     - name: autogen.sh
       run: ./autogen.sh
     - name: configure
       run: ./configure OBJC="gcc" ${{ matrix.configure_flags }}

Index: .github/workflows/ubuntu-latest.yml
==================================================================
--- .github/workflows/ubuntu-latest.yml
+++ .github/workflows/ubuntu-latest.yml
@@ -19,15 +19,17 @@
           - --disable-shared
           - --disable-shared --enable-seluid24
           - --disable-compiler-tls --disable-threads
           - --with-tls=gnutls
           - --with-tls=gnutls --disable-shared
+          - --with-tls=mbedtls --with-mbedtls-ca-path=/etc/ssl/certs/ca-certificates.crt
+          - --with-tls=mbedtls --with-mbedtls-ca-path=/etc/ssl/certs/ca-certificates.crt --disable-shared
     steps:
     - name: Install dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install libssl-dev gnutls-dev
+        sudo apt-get install libssl-dev gnutls-dev libmbedtls-dev
     - uses: actions/checkout@v4
     - name: autogen.sh
       run: ./autogen.sh
     - name: configure
       run: ./configure ${{ matrix.configure_flags }}