diff --git a/eng/pipelines/common/templates/pipeline-with-resources.yml b/eng/pipelines/common/templates/pipeline-with-resources.yml
index 71048418f0493a..2bc2d8d4d429a9 100644
--- a/eng/pipelines/common/templates/pipeline-with-resources.yml
+++ b/eng/pipelines/common/templates/pipeline-with-resources.yml
@@ -58,7 +58,7 @@ resources:
         ROOTFS_DIR: /crossrootfs/ppc64le
 
     - container: browser_wasm
-      image: mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-webassembly
+      image: mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-20.04-webassembly
 
     - container: wasi_wasm
       image: mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-20.04-webassembly
diff --git a/eng/pipelines/libraries/helix-queues-setup.yml b/eng/pipelines/libraries/helix-queues-setup.yml
index 734530b9b6889f..978d8b46dfbeb7 100644
--- a/eng/pipelines/libraries/helix-queues-setup.yml
+++ b/eng/pipelines/libraries/helix-queues-setup.yml
@@ -189,11 +189,11 @@ jobs:
 
     # Browser/WASI WebAssembly
     - ${{ if in(parameters.platform, 'browser_wasm', 'wasi_wasm') }}:
-      - Ubuntu.1804.Amd64.Open
+      - Ubuntu.2004.Amd64.Open
 
     # Browser WebAssembly Firefox
     - ${{ if eq(parameters.platform, 'browser_wasm_firefox') }}:
-      - (Ubuntu.1804.Amd64)Ubuntu.1804.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-webassembly
+      - (Ubuntu.2004.Amd64)Ubuntu.2004.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-20.04-helix-wasm-amd64
 
     # Browser WebAssembly windows
     - ${{ if eq(parameters.platform, 'browser_wasm_win') }}: