diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index f3358bcc5..f37ad8883 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -15,7 +15,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        GO_VERSION: [ "1.19","1.20","1.21" ]
+        GO_VERSION:
+          - '1.24' # named in go.mod
+          - 'oldstable'
+          - 'stable'
     steps:
       - name: "Fetch source code"
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
@@ -49,7 +52,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        GO_VERSION: [ "1.19","1.20","1.21" ]
+        GO_VERSION:
+          - '1.24' # named in go.mod
+          - 'oldstable'
+          - 'stable'
     steps:
       - name: "Fetch source code"
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
@@ -90,7 +96,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        GO_VERSION: [ "1.19","1.20","1.21" ]
+        GO_VERSION:
+          - '1.24' # named in go.mod
+          - 'oldstable'
+          - 'stable'
     steps:
       - name: "Fetch source code"
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
@@ -122,7 +131,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        GO_VERSION: [ "1.19","1.20","1.21" ]
+        GO_VERSION:
+          - '1.24' # named in go.mod
+          - 'oldstable'
+          - 'stable'
     steps:
       - name: "Fetch source code"
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
diff --git a/coordinate/phantom.go b/coordinate/phantom.go
index 589896a2b..e38af985f 100644
--- a/coordinate/phantom.go
+++ b/coordinate/phantom.go
@@ -146,6 +146,7 @@ func GenerateRandom(nodes int, mean time.Duration, deviation time.Duration) [][]
 // starting out with everything at the origin).
 func Simulate(clients []*Client, truth [][]time.Duration, cycles int) {
 	rand.Seed(1)
+	fmt.Printf("starting the process")
 
 	nodes := len(clients)
 	for cycle := 0; cycle < cycles; cycle++ {
diff --git a/go.mod b/go.mod
index 8dcb22bb8..71408972b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/hashicorp/serf
 
-go 1.19
+go 1.24.0
 
 require (
 	github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e