diff --git a/src/azurelinux/3.0/net8.0/webassembly/amd64/Dockerfile b/src/azurelinux/3.0/net8.0/webassembly/amd64/Dockerfile
index cb4976ee1..d638dafa3 100644
--- a/src/azurelinux/3.0/net8.0/webassembly/amd64/Dockerfile
+++ b/src/azurelinux/3.0/net8.0/webassembly/amd64/Dockerfile
@@ -17,7 +17,7 @@ RUN tdnf update -y \
 RUN npm i -g typescript
 
 # Install Emscripten toolchain
-ENV EMSCRIPTEN_VERSION=3.1.34
+ENV EMSCRIPTEN_VERSION=3.1.74
 ENV EMSCRIPTEN_PATH=/usr/local/emscripten
 ENV EMSDK_PATH=/usr/local/emscripten/emsdk
 ENV NODE_VERSION_IN_EMSDK=16.20.0_64bit
diff --git a/src/windowsservercore/ltsc2022/helix/webassembly-net8/amd64/Dockerfile b/src/windowsservercore/ltsc2022/helix/webassembly-net8/amd64/Dockerfile
index 1b97a2dcd..abbdd6a4c 100644
--- a/src/windowsservercore/ltsc2022/helix/webassembly-net8/amd64/Dockerfile
+++ b/src/windowsservercore/ltsc2022/helix/webassembly-net8/amd64/Dockerfile
@@ -2,7 +2,7 @@
 
 ARG ZIP7_VERSION=2501
 ARG GIT_VERSION=2.34.1
-ARG EMSCRIPTEN_VERSION=3.1.34
+ARG EMSCRIPTEN_VERSION=3.1.74
 ARG NODE_RELEASE=22
 
 FROM mcr.microsoft.com/dotnet-buildtools/prereqs:windowsservercore-ltsc2022-helix-amd64 as installer
diff --git a/src/windowsservercore/ltsc2025/helix/webassembly-net8/amd64/Dockerfile b/src/windowsservercore/ltsc2025/helix/webassembly-net8/amd64/Dockerfile
index dd8cd397e..a090e9920 100644
--- a/src/windowsservercore/ltsc2025/helix/webassembly-net8/amd64/Dockerfile
+++ b/src/windowsservercore/ltsc2025/helix/webassembly-net8/amd64/Dockerfile
@@ -2,7 +2,7 @@
 
 ARG ZIP7_VERSION=2409
 ARG GIT_VERSION=2.34.1
-ARG EMSCRIPTEN_VERSION=3.1.34
+ARG EMSCRIPTEN_VERSION=3.1.74
 ARG NODE_RELEASE=22
 
 FROM mcr.microsoft.com/dotnet-buildtools/prereqs:windowsservercore-ltsc2025-helix-amd64 as installer