diff --git a/.tool-versions b/.tool-versions
index b6a2f208..7b3b0be8 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,4 +1,4 @@
-nodejs 18.16.0
+nodejs 20.17.0
 python 3.8.15
 poetry 1.6.1
 shellcheck 0.9.0
diff --git a/SAMtemplates/main_template.yaml b/SAMtemplates/main_template.yaml
index 19d18c20..1bb23f31 100644
--- a/SAMtemplates/main_template.yaml
+++ b/SAMtemplates/main_template.yaml
@@ -10,7 +10,7 @@ Globals:
     MemorySize: 256
     Architectures:
       - x86_64
-    Runtime: nodejs18.x
+    Runtime: nodejs20.x
     Environment:
       Variables:
         TargetSpineServer: !Ref TargetSpineServer
diff --git a/SAMtemplates/sandbox_template.yaml b/SAMtemplates/sandbox_template.yaml
index 789c480c..c941c8af 100644
--- a/SAMtemplates/sandbox_template.yaml
+++ b/SAMtemplates/sandbox_template.yaml
@@ -10,7 +10,7 @@ Globals:
     MemorySize: 256
     Architectures:
       - x86_64
-    Runtime: nodejs18.x
+    Runtime: nodejs20.x
     Environment:
       Variables:
         NODE_OPTIONS: --enable-source-maps