diff --git a/prior/9.8.2.Dockerfile b/prior/9.8.2.Dockerfile
index a674d8021744d4df5e0efcf80bfdfd5756ca5b84..fc522d4249d89d11fb40efe52054bd891c0ff42a 100644
--- a/prior/9.8.2.Dockerfile
+++ b/prior/9.8.2.Dockerfile
@@ -5,7 +5,7 @@ ARG STACK_VERSION=2.15.7
 ARG GHC_VERSION_BUILD=${GHC_VERSION}
 ARG CABAL_VERSION_BUILD=${CABAL_VERSION}
 
-FROM glcr.b-data.ch/ghc/ghc-musl:9.6.5 as bootstrap
+FROM glcr.b-data.ch/ghc/ghc-musl:9.6.6 as bootstrap
 
 RUN apk upgrade --no-cache \
   && apk add --no-cache \