diff --git a/php/ext/google/protobuf/php-upb.c b/php/ext/google/protobuf/php-upb.c
index 1c2a08e6ef..69ebac742f 100644
--- a/php/ext/google/protobuf/php-upb.c
+++ b/php/ext/google/protobuf/php-upb.c
@@ -43,6 +43,7 @@
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 #ifndef UINTPTR_MAX
 Error, UINTPTR_MAX is undefined
@@ -171,6 +172,9 @@ Error, UINTPTR_MAX is undefined
 #ifdef __APPLE__
 #define UPB_SETJMP(buf) _setjmp(buf)
 #define UPB_LONGJMP(buf, val) _longjmp(buf, val)
+#elif defined(WASM_WAMR)
+#define UPB_SETJMP(buf) 0
+#define UPB_LONGJMP(buf, val) abort()
 #else
 #define UPB_SETJMP(buf) setjmp(buf)
 #define UPB_LONGJMP(buf, val) longjmp(buf, val)
diff --git a/php/ext/google/protobuf/php-upb.h b/php/ext/google/protobuf/php-upb.h
index 1759578d9e..d4bf5cfa63 100644
--- a/php/ext/google/protobuf/php-upb.h
+++ b/php/ext/google/protobuf/php-upb.h
@@ -42,6 +42,7 @@
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 #ifndef UINTPTR_MAX
 Error, UINTPTR_MAX is undefined
@@ -170,6 +171,9 @@ Error, UINTPTR_MAX is undefined
 #ifdef __APPLE__
 #define UPB_SETJMP(buf) _setjmp(buf)
 #define UPB_LONGJMP(buf, val) _longjmp(buf, val)
+#elif defined(WASM_WAMR)
+#define UPB_SETJMP(buf) 0
+#define UPB_LONGJMP(buf, val) abort()
 #else
 #define UPB_SETJMP(buf) setjmp(buf)
 #define UPB_LONGJMP(buf, val) longjmp(buf, val)
diff --git a/ruby/ext/google/protobuf_c/ruby-upb.c b/ruby/ext/google/protobuf_c/ruby-upb.c
index 0349a1c267..76b79e6d51 100644
--- a/ruby/ext/google/protobuf_c/ruby-upb.c
+++ b/ruby/ext/google/protobuf_c/ruby-upb.c
@@ -43,6 +43,7 @@
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 #ifndef UINTPTR_MAX
 Error, UINTPTR_MAX is undefined
@@ -171,6 +172,9 @@ Error, UINTPTR_MAX is undefined
 #ifdef __APPLE__
 #define UPB_SETJMP(buf) _setjmp(buf)
 #define UPB_LONGJMP(buf, val) _longjmp(buf, val)
+#elif defined(WASM_WAMR)
+#define UPB_SETJMP(buf) 0
+#define UPB_LONGJMP(buf, val) abort()
 #else
 #define UPB_SETJMP(buf) setjmp(buf)
 #define UPB_LONGJMP(buf, val) longjmp(buf, val)
diff --git a/ruby/ext/google/protobuf_c/ruby-upb.h b/ruby/ext/google/protobuf_c/ruby-upb.h
index fb75f3d525..fbdd1fa04b 100755
--- a/ruby/ext/google/protobuf_c/ruby-upb.h
+++ b/ruby/ext/google/protobuf_c/ruby-upb.h
@@ -44,6 +44,7 @@
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 #ifndef UINTPTR_MAX
 Error, UINTPTR_MAX is undefined
@@ -172,6 +173,9 @@ Error, UINTPTR_MAX is undefined
 #ifdef __APPLE__
 #define UPB_SETJMP(buf) _setjmp(buf)
 #define UPB_LONGJMP(buf, val) _longjmp(buf, val)
+#elif defined(WASM_WAMR)
+#define UPB_SETJMP(buf) 0
+#define UPB_LONGJMP(buf, val) abort()
 #else
 #define UPB_SETJMP(buf) setjmp(buf)
 #define UPB_LONGJMP(buf, val) longjmp(buf, val)