diff --git a/Dockerfile b/Dockerfile
index ab7ab61a6..20246b580 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ RUN make yarn
 COPY ./ui/ ./ui/
 RUN make build-ui
 
-FROM golang:1.18-buster@sha256:a66be0e47d87a1f0626aa8ab7f550d607091e52266fb14a3776615f6fa82d186 as build
+FROM golang:1.18.4-buster@sha256:6960d62610b18b7224d2c5572b4bb177890b9ab7bf70ebaf34e2e9ca662a46e9 as build
 WORKDIR /go/src/github.com/pomerium/pomerium
 
 RUN apt-get update \
diff --git a/Dockerfile.debug b/Dockerfile.debug
index 98e1cb071..1bfcadb4b 100644
--- a/Dockerfile.debug
+++ b/Dockerfile.debug
@@ -13,7 +13,7 @@ RUN make yarn
 COPY ./ui/ ./ui/
 RUN make build-ui
 
-FROM golang:1.18-buster@sha256:a66be0e47d87a1f0626aa8ab7f550d607091e52266fb14a3776615f6fa82d186 as build
+FROM golang:1.18.4-buster@sha256:6960d62610b18b7224d2c5572b4bb177890b9ab7bf70ebaf34e2e9ca662a46e9 as build
 WORKDIR /go/src/github.com/pomerium/pomerium
 
 RUN apt-get update \