diff --git a/.circleci/config.yml b/.circleci/config.yml
index 947e408..adc2f18 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -4,7 +4,7 @@ executors:
   golang:
     working_directory: /go/src/ultre.me/smsify
     docker:
-      - image: circleci/golang:1.15
+      - image: circleci/golang:1.17
     environment:
       GO111MODULE: "on"
       DOCKER_IMAGE: ultreme/smsify
@@ -15,11 +15,11 @@ executors:
 
 orbs:
   codecov: codecov/codecov@1.0.5
-  moul: moul/build@1.13.0
+  moul: moul/build@1.16.0
   retry: moul/retry@0.6.0
   docker: circleci/docker@0.5.13
   #dl: moul/dl@1.7.0
-  tools: gotest/tools@0.0.12
+  tools: gotest/tools@0.0.14
 
 jobs:
   go-build:
diff --git a/Dockerfile b/Dockerfile
index 1a4187f..07c9007 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ ARG             VCS_REF
 ARG             VERSION
 
 # build
-FROM golang:1.15-alpine as builder
+FROM golang:1.21-alpine as builder
 RUN             apk add --no-cache git gcc musl-dev make
 ENV             GO111MODULE=on
 WORKDIR         /go/src/ultre.me/smsify
@@ -14,7 +14,7 @@ COPY            . ./
 RUN             make install
 
 # minimalist runtime
-FROM            alpine:3.12
+FROM            alpine:3.18
 LABEL           org.label-schema.build-date=$BUILD_DATE \
                 org.label-schema.name="smsify" \
                 org.label-schema.description="" \
diff --git a/go.mod b/go.mod
index 5231b1d..2ae9748 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module ultre.me/smsify
 
 go 1.12
 
-require gopkg.in/urfave/cli.v2 v2.0.0-20190806201727-b62605953717
+require gopkg.in/urfave/cli.v2 v2.26.0