diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3bfa687a2..d66a5f240 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -78,7 +78,6 @@ jobs:
           CPPSTD: c++14
         - SWIGLANG: javascript
           ENGINE: jsc
-          os: ubuntu-18.04 # libwebkitgtk-dev dependency not available in 20.04.
         - SWIGLANG: javascript
           ENGINE: v8
           os: ubuntu-18.04 # libv8-dev only actually provides v8 in 18.04.
diff --git a/Tools/CI-linux-install.sh b/Tools/CI-linux-install.sh
index 6edce572b..7bd141080 100644
--- a/Tools/CI-linux-install.sh
+++ b/Tools/CI-linux-install.sh
@@ -55,7 +55,7 @@ case "$SWIGLANG" in
 				fi
 				;;
 			"jsc")
-				$RETRY sudo apt-get install -qq libwebkitgtk-dev
+				$RETRY sudo apt-get install -qq libjavascriptcoregtk-4.0-dev
 				;;
 			"v8")
 				$RETRY sudo apt-get install -qq libv8-dev