diff --git a/Containerfile b/Containerfile
index 310951a..f7a4e46 100644
--- a/Containerfile
+++ b/Containerfile
@@ -90,9 +90,7 @@ RUN install -m 0444 /dev/null /kernel-ready
 
 FROM toolchain AS static-base-bootstrap
 
-RUN apk add --no-cache \
-        bison=3.8.2-r3 \
-        byacc=20260126-r0
+RUN apk add --no-cache byacc=20260126-r0
 
 COPY --from=kernel-ready /kernel-ready /tmp/kernel-ready