diff --git a/Dockerfile b/Dockerfile
index 0fc04c9..c55d033 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,7 +17,7 @@ RUN curl -sSL https://github.com/jsonnet-bundler/jsonnet-bundler/archive/v${JSON
 	&& mv jsonnet-bundler-${JSONNET_BUNDLER_VERION} jsonnet-bundler \
 	&& cd jsonnet-bundler && make && make install
 
-FROM alpine:3.12@sha256:cb64bbe7fa613666c234e1090e91427314ee18ec6420e9426cf4e7f314056813
+FROM alpine:3.18@sha256:eece025e432126ce23f223450a0326fbebde39cdf496a85d8c016293fc851978
 
 RUN apk add --no-cache libstdc++