diff --git a/eng/pipelines/common/platform-matrix.yml b/eng/pipelines/common/platform-matrix.yml
index 4ae4b32db8a9fc..2ec41d7682c7e2 100644
--- a/eng/pipelines/common/platform-matrix.yml
+++ b/eng/pipelines/common/platform-matrix.yml
@@ -95,7 +95,7 @@ jobs:
       shouldContinueOnError: ${{ parameters.shouldContinueOnError }}
       container:
         ${{ if eq(parameters.container, '') }}:
-          image: ubuntu-18.04-cross-arm64-20220427171722-6e40d49
+          image: ubuntu-20.04-cross-arm64-20230201170357-8b7d579
         ${{ if ne(parameters.container, '') }}:
           image: ${{ parameters.container }}
         registry: mcr
diff --git a/src/mono/mono.proj b/src/mono/mono.proj
index 38731e968660a5..41325f5dbea6b5 100644
--- a/src/mono/mono.proj
+++ b/src/mono/mono.proj
@@ -632,6 +632,7 @@
       <MonoAotAbi>aarch64-linux-gnu</MonoAotAbi>
       <MonoAotOffsetsFile>$(MonoObjCrossDir)offsets-aarch-linux-gnu.h</MonoAotOffsetsFile>
       <MonoAotOffsetsPrefix>$(MonoCrossDir)/usr/lib/gcc/aarch64-linux-gnu/7</MonoAotOffsetsPrefix>
+      <MonoAotOffsetsPrefix Condition="'$(Platform)' == 'arm64'">$(MonoCrossDir)/usr/lib/gcc/aarch64-linux-gnu/5</MonoAotOffsetsPrefix>
     </PropertyGroup>
 
     <!-- macOS host specific options -->