diff --git a/.github/workflows/clang.yml b/.github/workflows/clang.yml
index e87c3f4..0f1acb0 100644
--- a/.github/workflows/clang.yml
+++ b/.github/workflows/clang.yml
@@ -19,6 +19,6 @@ jobs:
     - name: autogen
       run: ./autogen.sh
     - name: configure
-      run: ./configure CC=/usr/bin/clang
+      run: ./configure CC=/usr/bin/clang LDFLAGS="-ljson-c"
     - name: make
       run: make
diff --git a/.github/workflows/gcc.yml b/.github/workflows/gcc.yml
index d09f539..baae453 100644
--- a/.github/workflows/gcc.yml
+++ b/.github/workflows/gcc.yml
@@ -19,6 +19,6 @@ jobs:
     - name: autogen
       run: ./autogen.sh
     - name: configure
-      run: ./configure CC=/usr/bin/gcc
+      run: ./configure CC=/usr/bin/gcc LDFLAGS="-ljson-c"
     - name: make
       run: make