diff --git a/eng/Versions.props b/eng/Versions.props
index 1964b0ff6aa79e..867e9d823b8461 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -123,7 +123,7 @@
     <!-- Docs -->
     <MicrosoftPrivateIntellisenseVersion>3.0.0-preview9-190909-1</MicrosoftPrivateIntellisenseVersion>
     <!-- ILLink -->
-    <ILLinkTasksVersion>0.1.6-prerelease.19567.1</ILLinkTasksVersion>
+    <ILLinkTasksVersion>0.1.6-prerelease.20078.1</ILLinkTasksVersion>
   </PropertyGroup>
   <!-- Package names -->
   <PropertyGroup>
diff --git a/eng/illink.targets b/eng/illink.targets
index 640a08821fb05b..f803d90df8b67a 100644
--- a/eng/illink.targets
+++ b/eng/illink.targets
@@ -83,6 +83,8 @@
       <ILLinkArgs>$(ILLinkArgs) --skip-unresolved true</ILLinkArgs>
       <!-- keep interface implementations -->
       <ILLinkArgs>$(ILLinkArgs) --disable-opt unusedinterfaces</ILLinkArgs>
+      <!-- disable optimization to unblock dependencies bump -->
+      <ILLinkArgs>$(ILLinkArgs) --disable-opt ipconstprop</ILLinkArgs>
       <!-- keep PreserveDependencyAttribute unless a project explicitly disables it -->
       <ILLinkArgs Condition="'$(ILLinkKeepDepAttributes)' != 'false'">$(ILLinkArgs) --keep-dep-attributes true</ILLinkArgs>
     </PropertyGroup>