diff --git a/.ci/bump-golang.yml b/.ci/bump-golang.yml
index 412d46aeb4..e6a6777583 100644
--- a/.ci/bump-golang.yml
+++ b/.ci/bump-golang.yml
@@ -52,18 +52,6 @@ sources:
         kind: regex
         pattern: go1\.{{ source "minor" }}\.(\d*)$
 
-  gomod:
-    dependson:
-      - latestGoVersion
-    name: Get version in go.mod format
-    kind: shell
-    transformers:
-      - findsubmatch:
-          pattern: '^(\d+.\d+).\d+'
-          captureindex: 1
-    spec:
-      command: echo {{ source "latestGoVersion" }}
-
 conditions:
   dockerTag:
     name: Is docker image golang:{{ source "latestGoVersion" }} published
@@ -101,10 +89,28 @@ targets:
       matchpattern: '\d+.\d+.\d+'
   update-gomod:
     name: "Update go.mod"
-    sourceid: gomod
+    sourceid: latestGoVersion
     scmid: githubConfig
     kind: file
     spec:
-      content: 'go {{ source "gomod" }}'
+      content: 'go {{ source "latestGoVersion" }}'
       file: go.mod
-      matchpattern: 'go \d+.\d+'
+      matchpattern: 'go \d+.\d+.\d+'
+  update-testing-gomod:
+    name: "Update go.mod"
+    sourceid: latestGoVersion
+    scmid: githubConfig
+    kind: file
+    spec:
+      content: 'go {{ source "latestGoVersion" }}'
+      file: testing/go.mod
+      matchpattern: 'go \d+.\d+.\d+'
+  update-dev-tools-gomod:
+    name: "Update go.mod"
+    sourceid: latestGoVersion
+    scmid: githubConfig
+    kind: file
+    spec:
+      content: 'go {{ source "latestGoVersion" }}'
+      file: dev-tools/go.mod
+      matchpattern: 'go \d+.\d+.\d+'
diff --git a/.go-version b/.go-version
index d8c40e539c..ae96cc7310 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.23.6
+1.24.3
diff --git a/.golangci.yml b/.golangci.yml
index 7c2429aa20..5db031f8d4 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -3,7 +3,7 @@ run:
   # timeout for analysis, e.g. 30s, 5m, default is 1m
   timeout: 1m
   build-tags: integration
-  go: "1.23.6"
+  go: "1.24.3"
 
 issues:
   # Maximum count of issues with the same text.
diff --git a/changelog/fragments/1746596216-Update-to-go-1.24.3.yaml b/changelog/fragments/1746596216-Update-to-go-1.24.3.yaml
new file mode 100644
index 0000000000..2b122227ae
--- /dev/null
+++ b/changelog/fragments/1746596216-Update-to-go-1.24.3.yaml
@@ -0,0 +1,32 @@
+# Kind can be one of:
+# - breaking-change: a change to previously-documented behavior
+# - deprecation: functionality that is being removed in a later release
+# - bug-fix: fixes a problem in a previous version
+# - enhancement: extends functionality but does not break or fix existing behavior
+# - feature: new functionality
+# - known-issue: problems that we are aware of in a given version
+# - security: impacts on the security of a product or a user’s deployment.
+# - upgrade: important information for someone upgrading from a prior version
+# - other: does not fit into any of the other categories
+kind: enhancement
+
+# Change summary; a 80ish characters long description of the change.
+summary: Update go to v1.24.3
+
+# Long description; in case the summary is not enough to describe the change
+# this field accommodate a description without length limits.
+# NOTE: This field will be rendered only for breaking-change and known-issue kinds at the moment.
+#description:
+
+# Affected component; usually one of "elastic-agent", "fleet-server", "filebeat", "metricbeat", "auditbeat", "all", etc.
+component: fleet-server
+
+# PR URL; optional; the PR number that added the changeset.
+# If not present is automatically filled by the tooling finding the PR where this changelog fragment has been added.
+# NOTE: the tooling supports backports, so it's able to fill the original PR number instead of the backport PR number.
+# Please provide it if you are adding a fragment for a different PR.
+pr: https://github.com/elastic/fleet-server/pull/4891
+
+# Issue URL; optional; the GitHub issue related to this changeset (either closes or is part of).
+# If not present is automatically filled by the tooling with the issue linked to the PR number.
+#issue: https://github.com/owner/repo/1234
diff --git a/go.mod b/go.mod
index fb48b6c5c1..3853fe5b23 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/elastic/fleet-server/v7
 
-go 1.23.0
+go 1.24.3
 
 require (
 	github.com/Pallinder/go-randomdata v1.2.0
diff --git a/testing/go.mod b/testing/go.mod
index 6017bd0a53..d591608b01 100644
--- a/testing/go.mod
+++ b/testing/go.mod
@@ -1,6 +1,6 @@
 module github.com/elastic/fleet-server/testing
 
-go 1.23.0
+go 1.24.3
 
 replace (
 	github.com/elastic/fleet-server/pkg/api => ../pkg/api