diff --git a/.circleci/config.yml b/.circleci/config.yml
index 5d34aa6..81d1ee5 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -8,19 +8,19 @@ shared: &shared
         command: go test -race -v ./...
 
 jobs:
-  "go-1.13":
+  "go-1.21":
     docker:
-      - image: circleci/golang:1.13
+      - image: cimg/go:1.21
     <<: *shared
 
-  "go-1.14":
+  "go-1.22":
     docker:
-      - image: circleci/golang:1.14
+      - image: cimg/go:1.22
     <<: *shared
 
   validate:
     docker:
-      - image: circleci/golang:1.14
+      - image: cimg/go:1.22
     steps:
       - checkout
       - run:
@@ -41,6 +41,6 @@ workflows:
   version: 2
   build:
     jobs:
-      - "go-1.13"
-      - "go-1.14"
+      - "go-1.21"
+      - "go-1.22"
       - validate
diff --git a/go.mod b/go.mod
index 1ffad6a..f4e2593 100644
--- a/go.mod
+++ b/go.mod
@@ -1,12 +1,18 @@
 module github.com/ActiveState/langtools
 
-go 1.12
+go 1.22
 
 require (
-	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
-	github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d // indirect
 	github.com/ericlagergren/decimal v0.0.0-20191206042408-88212e6cfca9
 	github.com/stretchr/testify v1.4.0
 	golang.org/x/text v0.3.2
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
 )
+
+require (
+	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
+	github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d // indirect
+	github.com/davecgh/go-spew v1.1.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v2 v2.2.2 // indirect
+)
diff --git a/go.sum b/go.sum
index e0afea2..1d5cf17 100644
--- a/go.sum
+++ b/go.sum
@@ -8,7 +8,6 @@ github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/ericlagergren/decimal v0.0.0-20191206042408-88212e6cfca9 h1:mMVotm9OVwoOS2IFGRRS5AfMTFWhtf8wj34JEYh47/k=
 github.com/ericlagergren/decimal v0.0.0-20191206042408-88212e6cfca9/go.mod h1:ZWP59etEywfyMG2lAqnoi3t8uoiZCiTmLtwt6iESIsQ=
-github.com/lib/pq v1.0.0 h1:X5PMW56eZitiTeO7tKzZxFCSpbFZJtkMMooicw2us9A=
 github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=