diff --git a/core/chainlink.Dockerfile b/core/chainlink.Dockerfile
index 817f17936b3..be1fdb9053b 100644
--- a/core/chainlink.Dockerfile
+++ b/core/chainlink.Dockerfile
@@ -1,5 +1,5 @@
 # Build image: Chainlink binary
-FROM golang:1.21-buster as buildgo
+FROM golang:1.21-bullseye as buildgo
 RUN go version
 WORKDIR /chainlink
 
diff --git a/core/chainlink.devspace.Dockerfile b/core/chainlink.devspace.Dockerfile
index a53afc98433..9ec061ae40d 100644
--- a/core/chainlink.devspace.Dockerfile
+++ b/core/chainlink.devspace.Dockerfile
@@ -1,5 +1,5 @@
 # Build image: Chainlink binary
-FROM golang:1.21-buster as buildgo
+FROM golang:1.21-bullseye as buildgo
 RUN go version
 WORKDIR /chainlink
 
@@ -18,7 +18,7 @@ COPY . .
 RUN make install-chainlink
 
 # Final image: ubuntu with chainlink binary
-FROM golang:1.21-buster
+FROM golang:1.21-bullseye
 
 ARG CHAINLINK_USER=root
 ENV DEBIAN_FRONTEND noninteractive
diff --git a/plugins/chainlink.Dockerfile b/plugins/chainlink.Dockerfile
index 0052334d505..6f713e078af 100644
--- a/plugins/chainlink.Dockerfile
+++ b/plugins/chainlink.Dockerfile
@@ -1,5 +1,5 @@
 # Build image: Chainlink binary
-FROM golang:1.21-buster as buildgo
+FROM golang:1.21-bullseye as buildgo
 RUN go version
 WORKDIR /chainlink
 
diff --git a/tools/docker/cldev.Dockerfile b/tools/docker/cldev.Dockerfile
index 0257a766b62..72f2f06d7ce 100644
--- a/tools/docker/cldev.Dockerfile
+++ b/tools/docker/cldev.Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.17-buster
+FROM golang:1.21-bullseye
 
 ARG SRCROOT=/usr/local/src/chainlink
 WORKDIR ${SRCROOT}