diff --git a/.semaphore/semaphore.yml b/.semaphore/semaphore.yml
index 50ca83f9..1a8a49c4 100644
--- a/.semaphore/semaphore.yml
+++ b/.semaphore/semaphore.yml
@@ -11,7 +11,7 @@ global_job_config:
   prologue:
     commands:
       - checkout
-      - sem-version go 1.20
+      - sem-version go 1.21
 blocks:
   - name: Setup
     dependencies: []
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 67e1f10c..e725215b 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.19-alpine AS builder
+FROM golang:1.21-alpine AS builder
 ARG SVC
 ARG GOARCH
 ARG GOARM
diff --git a/scripts/ci.sh b/scripts/ci.sh
index 69be59a7..b236094d 100755
--- a/scripts/ci.sh
+++ b/scripts/ci.sh
@@ -1,6 +1,6 @@
 # This script contains commands to be executed by the CI tool.
 NPROC=$(nproc)
-GO_VERSION=1.19.4
+GO_VERSION=1.21.3
 PROTOC_VERSION=23.3
 PROTOC_GEN_VERSION=v1.31.0
 PROTOC_GRPC_VERSION=v1.3.0