diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 259fad5c8040..8768a39e3874 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -64,7 +64,7 @@ jobs:
         name: Update Go
         uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
         with:
-          go-version: "1.26.4"
+          go-version: "1.26.5"
           cache: false
       -
         name: Initialize CodeQL
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a4e84a1c1311..0903a3281f53 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -68,7 +68,7 @@ jobs:
         name: Set up Go
         uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
         with:
-          go-version: "1.26.4"
+          go-version: "1.26.5"
           cache: false
       -
         name: Test
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 27d4af98c816..d2135bda2b17 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -101,7 +101,7 @@ jobs:
         name: Set up Go
         uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
         with:
-          go-version: "1.26.4"
+          go-version: "1.26.5"
           cache: false
       -
         name: Run gocompat check
diff --git a/.golangci.yml b/.golangci.yml
index dfb592403cc0..6aec71dbb74e 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -5,7 +5,7 @@ run:
   # which causes it to fallback to go1.17 semantics.
   #
   # TODO(thaJeztah): update "usetesting" settings to enable go1.24 features once our minimum version is go1.24
-  go: "1.26.4"
+  go: "1.26.5"
 
   timeout: 5m
 
diff --git a/Dockerfile b/Dockerfile
index ccde94ee6df7..2a71bf8889e8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ ARG BASE_VARIANT=alpine
 ARG ALPINE_VERSION=3.23
 ARG BASE_DEBIAN_DISTRO=bookworm
 
-ARG GO_VERSION=1.26.4
+ARG GO_VERSION=1.26.5
 
 # XX_VERSION specifies the version of the xx utility to use.
 # It must be a valid tag in the docker.io/tonistiigi/xx image repository.
diff --git a/dockerfiles/Dockerfile.dev b/dockerfiles/Dockerfile.dev
index c4a9a39b1ba5..b40cbb287c11 100644
--- a/dockerfiles/Dockerfile.dev
+++ b/dockerfiles/Dockerfile.dev
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION=1.26.4
+ARG GO_VERSION=1.26.5
 
 # ALPINE_VERSION sets the version of the alpine base image to use, including for the golang image.
 # It must be a supported tag in the docker.io/library/alpine image repository
diff --git a/dockerfiles/Dockerfile.lint b/dockerfiles/Dockerfile.lint
index 10cc37266258..4f8e1b46b380 100644
--- a/dockerfiles/Dockerfile.lint
+++ b/dockerfiles/Dockerfile.lint
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION=1.26.4
+ARG GO_VERSION=1.26.5
 
 # ALPINE_VERSION sets the version of the alpine base image to use, including for the golang image.
 # It must be a supported tag in the docker.io/library/alpine image repository
diff --git a/dockerfiles/Dockerfile.vendor b/dockerfiles/Dockerfile.vendor
index 9c2f91a323b1..df06caaaf3ed 100644
--- a/dockerfiles/Dockerfile.vendor
+++ b/dockerfiles/Dockerfile.vendor
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION=1.26.4
+ARG GO_VERSION=1.26.5
 
 # ALPINE_VERSION sets the version of the alpine base image to use, including for the golang image.
 # It must be a supported tag in the docker.io/library/alpine image repository