diff --git a/cmake/Findllvm.cmake b/cmake/Findllvm.cmake
index fd306cd1e3..662c72e08a 100644
--- a/cmake/Findllvm.cmake
+++ b/cmake/Findllvm.cmake
@@ -24,14 +24,14 @@ execute_process(
 	OUTPUT_VARIABLE LLVM_CONFIG_VERSION
 	OUTPUT_STRIP_TRAILING_WHITESPACE)
 
-if("${LLVM_CONFIG_VERSION}" VERSION_LESS 7)
-  message(FATAL_ERROR "expected LLVM 7.x but found ${LLVM_CONFIG_VERSION}")
+if("${LLVM_CONFIG_VERSION}" VERSION_LESS 8)
+  message(FATAL_ERROR "expected LLVM 8.x but found ${LLVM_CONFIG_VERSION}")
 endif()
-if("${LLVM_CONFIG_VERSION}" VERSION_EQUAL 8)
-  message(FATAL_ERROR "expected LLVM 7.x but found ${LLVM_CONFIG_VERSION}")
+if("${LLVM_CONFIG_VERSION}" VERSION_EQUAL 9)
+  message(FATAL_ERROR "expected LLVM 8.x but found ${LLVM_CONFIG_VERSION}")
 endif()
-if("${LLVM_CONFIG_VERSION}" VERSION_GREATER 8)
-  message(FATAL_ERROR "expected LLVM 7.x but found ${LLVM_CONFIG_VERSION}")
+if("${LLVM_CONFIG_VERSION}" VERSION_GREATER 9)
+  message(FATAL_ERROR "expected LLVM 8.x but found ${LLVM_CONFIG_VERSION}")
 endif()
 
 execute_process(
@@ -57,6 +57,7 @@ NEED_TARGET("NVPTX")
 NEED_TARGET("PowerPC")
 NEED_TARGET("Sparc")
 NEED_TARGET("SystemZ")
+NEED_TARGET("WebAssembly")
 NEED_TARGET("X86")
 NEED_TARGET("XCore")