diff --git a/.go-version b/.go-version
index 2a0ba77c..013173af 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.22.4
+1.22.6
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f880e63b..dd1aca79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 ## UNRELEASED
 
 IMPROVEMENTS:
- * build: Updated to Go 1.22.4 [[GH-916](https://github.com/hashicorp/nomad-autoscaler/pull/916)]
+ * build: Updated to Go 1.22.6 and alpine to 3.20 [[GH-943](https://github.com/hashicorp/nomad-autoscaler/pull/943)]
 
 ## 0.4.4 (June 4, 2024)
 
diff --git a/Dockerfile b/Dockerfile
index 78b31d67..04ebf1c9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@
 
 # devbuild compiles the binary
 # -----------------------------------
-FROM golang:1.21 AS devbuild
+FROM golang:1.22 AS devbuild
 
 # Disable CGO to make sure we build static binaries
 ENV CGO_ENABLED=0
@@ -22,7 +22,7 @@ RUN go build -o nomad-autoscaler .
 
 # dev runs the binary from devbuild
 # -----------------------------------
-FROM alpine:3.15 AS dev
+FROM alpine:3.20 AS dev
 
 COPY --from=devbuild /build/nomad-autoscaler /bin/
 COPY ./scripts/docker-entrypoint.sh /
@@ -35,7 +35,7 @@ CMD ["help"]
 #   Release images.
 # ===================================
 
-FROM alpine:3.15 AS release
+FROM alpine:3.20 AS release
 
 ARG PRODUCT_NAME=nomad-autoscaler
 ARG PRODUCT_VERSION
diff --git a/go.mod b/go.mod
index 4362c651..e2c652ce 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/hashicorp/nomad-autoscaler
 
-go 1.21
+go 1.22
 
 require (
 	github.com/Azure/azure-sdk-for-go v68.0.0+incompatible
diff --git a/plugins/test/noop-apm/go.mod b/plugins/test/noop-apm/go.mod
index 8da8f29b..97d720a1 100644
--- a/plugins/test/noop-apm/go.mod
+++ b/plugins/test/noop-apm/go.mod
@@ -1,6 +1,6 @@
 module github.com/hashicorp/nomad-autoscaler/plugins/test/noop-apm
 
-go 1.21
+go 1.22
 
 require (
 	github.com/hashicorp/go-hclog v1.6.3
diff --git a/plugins/test/noop-strategy/go.mod b/plugins/test/noop-strategy/go.mod
index 79667816..d605238f 100644
--- a/plugins/test/noop-strategy/go.mod
+++ b/plugins/test/noop-strategy/go.mod
@@ -1,6 +1,6 @@
 module github.com/hashicorp/nomad-autoscaler/plugins/test/noop-strategy
 
-go 1.21
+go 1.22
 
 require (
 	github.com/hashicorp/go-hclog v1.6.3
diff --git a/plugins/test/noop-target/go.mod b/plugins/test/noop-target/go.mod
index 7a944056..f86b92ff 100644
--- a/plugins/test/noop-target/go.mod
+++ b/plugins/test/noop-target/go.mod
@@ -1,6 +1,6 @@
 module github.com/hashicorp/nomad-autoscaler/plugins/test/noop-target
 
-go 1.21
+go 1.22
 
 require (
 	github.com/hashicorp/go-hclog v1.6.3