diff --git a/.circleci/config.yml b/.circleci/config.yml
index 684eb154..8a00ef62 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -4,7 +4,7 @@ version: 2.1
 jobs:
   lint:
     docker:
-    - image: cimg/go:1.22
+    - image: cimg/go:1.23
     steps:
     - checkout
     - run: make check_license
@@ -46,9 +46,9 @@ workflows:
         matrix:
           parameters:
             go_version:
-            - "1.20"
             - "1.21"
             - "1.22"
+            - "1.23"
     - test:
         name: test-windows
         os: windows
@@ -56,6 +56,6 @@ workflows:
         matrix:
           parameters:
             go_version:
-            - "1.20"
             - "1.21"
             - "1.22"
+            - "1.23"
diff --git a/go.mod b/go.mod
index 6279cd78..83f0c358 100644
--- a/go.mod
+++ b/go.mod
@@ -1,9 +1,9 @@
 module github.com/prometheus/procfs
 
-go 1.20
+go 1.21
 
 require (
 	github.com/google/go-cmp v0.6.0
 	golang.org/x/sync v0.8.0
-	golang.org/x/sys v0.24.0
+	golang.org/x/sys v0.25.0
 )
diff --git a/go.sum b/go.sum
index 8df1b749..f04865b6 100644
--- a/go.sum
+++ b/go.sum
@@ -2,5 +2,5 @@ github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
 golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sys v0.24.0 h1:Twjiwq9dn6R1fQcyiK+wQyHWfaz/BJB+YIpzU/Cv3Xg=
-golang.org/x/sys v0.24.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
+golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=