diff --git a/ftl-fundamentals/go.mod b/ftl-fundamentals/go.mod
index 33bccb4..79e9ed4 100644
--- a/ftl-fundamentals/go.mod
+++ b/ftl-fundamentals/go.mod
@@ -1,3 +1,3 @@
 module ftl-fundamentals
 
-go 1.17
+go 1.19
diff --git a/gmachine/go.mod b/gmachine/go.mod
index 3fe6e5f..c9a3bd9 100644
--- a/gmachine/go.mod
+++ b/gmachine/go.mod
@@ -1,3 +1,3 @@
 module gmachine
 
-go 1.17
+go 1.19
diff --git a/linkchecker/go.mod b/linkchecker/go.mod
index 6bfba6b..a2d3dc9 100644
--- a/linkchecker/go.mod
+++ b/linkchecker/go.mod
@@ -1,5 +1,5 @@
 module linkchecker
 
-go 1.17
+go 1.19
 
 require golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd // indirect