diff --git a/.go-version b/.go-version
index b45fe310644..198ec23ccfc 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.25.5
+1.25.6
diff --git a/cmd/intake-receiver/go.mod b/cmd/intake-receiver/go.mod
index 1386bb9fa3b..3021224351b 100644
--- a/cmd/intake-receiver/go.mod
+++ b/cmd/intake-receiver/go.mod
@@ -1,6 +1,6 @@
 module github.com/elastic/apm-server/cmd/intake-receiver
 
-go 1.25.5
+go 1.25.6
 
 require (
 	github.com/stretchr/testify v1.6.1
diff --git a/functionaltests/go.mod b/functionaltests/go.mod
index 4aeab1a8b17..d12abc7ac6d 100644
--- a/functionaltests/go.mod
+++ b/functionaltests/go.mod
@@ -1,6 +1,6 @@
 module github.com/elastic/apm-server/functionaltests
 
-go 1.25.5
+go 1.25.6
 
 require (
 	github.com/elastic/apm-perf v0.0.0-20241230130730-2ad47482b731
diff --git a/go.mod b/go.mod
index c3835cd5c13..0a315704d08 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/elastic/apm-server
 
-go 1.25.5
+go 1.25.6
 
 require (
 	github.com/KimMachineGun/automemlimit v0.7.5
diff --git a/systemtest/go.mod b/systemtest/go.mod
index 1bf4fa7aa1b..668dd1f84b9 100644
--- a/systemtest/go.mod
+++ b/systemtest/go.mod
@@ -1,6 +1,6 @@
 module github.com/elastic/apm-server/systemtest
 
-go 1.25.5
+go 1.25.6
 
 require (
 	github.com/docker/docker v27.5.1+incompatible