diff --git a/libraries/source/spidermonkey/build.sh b/libraries/source/spidermonkey/build.sh
index d3c21fe4ea..cb895eee85 100755
--- a/libraries/source/spidermonkey/build.sh
+++ b/libraries/source/spidermonkey/build.sh
@@ -8,7 +8,7 @@ cd "$(dirname "$0")"
 # This should match the version in config/milestone.txt
 FOLDER="mozjs-115.16.1"
 # If same-version changes are needed, increment this.
-LIB_VERSION="115.16.1+3"
+LIB_VERSION="115.16.1+4"
 LIB_NAME="mozjs115"
 
 fetch()
diff --git a/libraries/source/spidermonkey/patches/FixFpNormIssue.diff b/libraries/source/spidermonkey/patches/FixFpNormIssue.diff
index ef4d4d96b6..02bf309cdb 100644
--- a/libraries/source/spidermonkey/patches/FixFpNormIssue.diff
+++ b/libraries/source/spidermonkey/patches/FixFpNormIssue.diff
@@ -1,6 +1,6 @@
 --- a/modules/fdlibm/src/math_private.h
 +++ b/modules/fdlibm/src/math_private.h
-@@ -30,8 +30,13 @@
+@@ -30,7 +30,11 @@
   * Adapted from https://github.com/freebsd/freebsd-src/search?q=__double_t
   */
  
@@ -10,10 +10,9 @@
  typedef double      __double_t;
 +#endif
  typedef __double_t  double_t;
-+typedef float   __float_t;
+ typedef float       __float_t;
  
- /*
-  * The original fdlibm code used statements like:
+
 @@ -630,6 +634,53 @@
  	return ((double)(x + 0x1.8p52) - 0x1.8p52);
  }