diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ddec27555..fdfaee4f3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -30,7 +30,7 @@ env:
   TEST_CACHE_SCOPE: "test"
   TESTFLAGS: "-v --parallel=6 --timeout=30m"
   GOTESTSUM_FORMAT: "standard-verbose"
-  GO_VERSION: "1.25"
+  GO_VERSION: "1.26"
   GOTESTSUM_VERSION: "v1.13.0"  # same as one in Dockerfile
 
 jobs:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index b558adb37..7f3015c0a 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -11,7 +11,7 @@ on:
   pull_request:
 
 env:
-  GO_VERSION: "1.25"
+  GO_VERSION: "1.26"
 
 jobs:
   codeql:
diff --git a/Dockerfile b/Dockerfile
index 2165cda22..fcdd27204 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION=1.25
+ARG GO_VERSION=1.26
 ARG ALPINE_VERSION=3.23
 ARG XX_VERSION=1.7.0
 
diff --git a/hack/dockerfiles/docs.Dockerfile b/hack/dockerfiles/docs.Dockerfile
index dcfbd55a9..c16a8b273 100644
--- a/hack/dockerfiles/docs.Dockerfile
+++ b/hack/dockerfiles/docs.Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION=1.25
+ARG GO_VERSION=1.26
 ARG ALPINE_VERSION=3.23
 
 ARG FORMATS=md,yaml
diff --git a/hack/dockerfiles/govulncheck.Dockerfile b/hack/dockerfiles/govulncheck.Dockerfile
index d09020c33..566819042 100644
--- a/hack/dockerfiles/govulncheck.Dockerfile
+++ b/hack/dockerfiles/govulncheck.Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION=1.25
+ARG GO_VERSION=1.26
 ARG ALPINE_VERSION=3.23
 
 ARG GOVULNCHECK_VERSION=v1.1.4
diff --git a/hack/dockerfiles/lint.Dockerfile b/hack/dockerfiles/lint.Dockerfile
index 56382bb78..53702c882 100644
--- a/hack/dockerfiles/lint.Dockerfile
+++ b/hack/dockerfiles/lint.Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION=1.25
+ARG GO_VERSION=1.26
 ARG ALPINE_VERSION=3.23
 ARG XX_VERSION=1.7.0
 
diff --git a/hack/dockerfiles/vendor.Dockerfile b/hack/dockerfiles/vendor.Dockerfile
index f54e01487..20aaef505 100644
--- a/hack/dockerfiles/vendor.Dockerfile
+++ b/hack/dockerfiles/vendor.Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION=1.25
+ARG GO_VERSION=1.26
 ARG ALPINE_VERSION=3.23
 
 ARG MODOUTDATED_VERSION=v0.9.0