diff --git a/scripts/ci/run-jenkins.sh b/scripts/ci/run-jenkins.sh
index 99285e27a29..e5feb996358 100755
--- a/scripts/ci/run-jenkins.sh
+++ b/scripts/ci/run-jenkins.sh
@@ -3,7 +3,7 @@
 echo "ENVIRONMENT:"
 env
 
-llvm_base_CMAKE_FLAGS="-DCMAKE_BUILD_TYPE=Release -DLLVM_TARGETS_TO_BUILD=X86;ARM;AArch64 -DLLVM_BUILD_TESTS=Off -DLLVM_INCLUDE_TESTS=Off -DLLVM_TOOLS_TO_BUILD=opt;llc;llvm-config;llvm-dis -G Ninja"
+llvm_base_CMAKE_FLAGS="-DCMAKE_BUILD_TYPE=Release -DLLVM_TARGETS_TO_BUILD=X86;ARM;AArch64 -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly -DLLVM_BUILD_TESTS=Off -DLLVM_INCLUDE_TESTS=Off -DLLVM_TOOLS_TO_BUILD=opt;llc;llvm-config;llvm-dis -G Ninja"
 
 llvm64_CMAKE_FLAGS="$llvm_base_CMAKE_FLAGS"
 llvm32_CMAKE_FLAGS="$llvm_base_CMAKE_FLAGS -DLLVM_BUILD_32_BITS=On"