diff --git a/builder/build.Dockerfile b/builder/build.Dockerfile
index 141aa4fe..81c653b1 100644
--- a/builder/build.Dockerfile
+++ b/builder/build.Dockerfile
@@ -15,7 +15,7 @@ ARG TOOLS_IMAGE=${REGISTRY}${PREFIX}perfspect-tools:${TAG}
 FROM ${TOOLS_IMAGE} AS tools
 
 # STAGE 2 - image contains perfspect's Go components build environment
-FROM golang:1.26.5@sha256:c0d486520838ecc9417aec8560b4d0bd10fcb2156021b9f360a785e273488727
+FROM golang:1.26.6@sha256:0d1d3a794be25f809dd2cb3160d8c73276c4056a9f8242a138e908ddeee7b6b6
 # install system dependencies
 RUN apt-get update && apt-get install -y jq
 # allow git to operate in the mounted repository regardless of the user
diff --git a/tools/build.Dockerfile b/tools/build.Dockerfile
index fdcf7ccb..fadeb084 100644
--- a/tools/build.Dockerfile
+++ b/tools/build.Dockerfile
@@ -15,7 +15,7 @@ ENV http_proxy=${http_proxy}
 ENV https_proxy=${https_proxy}
 ENV LANG=en_US.UTF-8
 ARG DEBIAN_FRONTEND=noninteractive
-ARG GO_VERSION=1.26.5
+ARG GO_VERSION=1.26.6
 
 # install minimum packages to add repositories
 RUN success=false; \