diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 3ac18a420..80fa3941c 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -16,7 +16,7 @@ jobs:
       - task: CacheBeta@1
         displayName: 'cache Nim binaries'
         inputs:
-          key: NimBinaries | $(Agent.OS) | $(PLATFORM) | "$(Build.SourceBranchName)" | "v7"
+          key: NimBinaries | $(Agent.OS) | $(PLATFORM) | "$(Build.SourceBranchName)" | "v8"
           path: NimBinaries
 
       - task: CacheBeta@1
diff --git a/vendor/nimbus-build-system b/vendor/nimbus-build-system
index e0d9939f9..1cb2e74aa 160000
--- a/vendor/nimbus-build-system
+++ b/vendor/nimbus-build-system
@@ -1 +1 @@
-Subproject commit e0d9939f9fce2bcbcf3451689b33bb3423fcf58e
+Subproject commit 1cb2e74aa4866532b72da6b5c63d2d9471607294