diff --git a/amazonmq.config.yaml b/amazonmq.config.yaml
index f2f35bb..a062cfb 100644
--- a/amazonmq.config.yaml
+++ b/amazonmq.config.yaml
@@ -34,6 +34,6 @@ ssm_custom_resources:
     SSMSecureParameterCR:
       code: handler.py
       handler: handler.lambda_handler
-      runtime: python3.7
+      runtime: python3.8
       timeout: 5
       role: SSMParameterCustomResource
diff --git a/spec/amq_xml_spec.rb b/spec/amq_xml_spec.rb
index a9fcf87..9b37c9b 100644
--- a/spec/amq_xml_spec.rb
+++ b/spec/amq_xml_spec.rb
@@ -241,7 +241,7 @@
       end
       
       it "to have property Runtime" do
-          expect(resource["Properties"]["Runtime"]).to eq("python3.7")
+          expect(resource["Properties"]["Runtime"]).to eq("python3.8")
       end
       
       it "to have property Timeout" do
diff --git a/spec/default_spec.rb b/spec/default_spec.rb
index 98170bb..128b06b 100644
--- a/spec/default_spec.rb
+++ b/spec/default_spec.rb
@@ -212,7 +212,7 @@
       end
       
       it "to have property Runtime" do
-          expect(resource["Properties"]["Runtime"]).to eq("python3.7")
+          expect(resource["Properties"]["Runtime"]).to eq("python3.8")
       end
       
       it "to have property Timeout" do
diff --git a/spec/engine_version_spec.rb b/spec/engine_version_spec.rb
index c81f8bc..6c035c9 100644
--- a/spec/engine_version_spec.rb
+++ b/spec/engine_version_spec.rb
@@ -212,7 +212,7 @@
       end
       
       it "to have property Runtime" do
-          expect(resource["Properties"]["Runtime"]).to eq("python3.7")
+          expect(resource["Properties"]["Runtime"]).to eq("python3.8")
       end
       
       it "to have property Timeout" do
diff --git a/spec/logging_spec.rb b/spec/logging_spec.rb
index 11c0cb2..45380c4 100644
--- a/spec/logging_spec.rb
+++ b/spec/logging_spec.rb
@@ -212,7 +212,7 @@
       end
       
       it "to have property Runtime" do
-          expect(resource["Properties"]["Runtime"]).to eq("python3.7")
+          expect(resource["Properties"]["Runtime"]).to eq("python3.8")
       end
       
       it "to have property Timeout" do
diff --git a/spec/maintenance_window_spec.rb b/spec/maintenance_window_spec.rb
index e3794fe..cbb872c 100644
--- a/spec/maintenance_window_spec.rb
+++ b/spec/maintenance_window_spec.rb
@@ -216,7 +216,7 @@
       end
       
       it "to have property Runtime" do
-          expect(resource["Properties"]["Runtime"]).to eq("python3.7")
+          expect(resource["Properties"]["Runtime"]).to eq("python3.8")
       end
       
       it "to have property Timeout" do
diff --git a/spec/security_groups_spec.rb b/spec/security_groups_spec.rb
index a84e9d5..658a250 100644
--- a/spec/security_groups_spec.rb
+++ b/spec/security_groups_spec.rb
@@ -216,7 +216,7 @@
       end
       
       it "to have property Runtime" do
-          expect(resource["Properties"]["Runtime"]).to eq("python3.7")
+          expect(resource["Properties"]["Runtime"]).to eq("python3.8")
       end
       
       it "to have property Timeout" do
diff --git a/spec/tags_spec.rb b/spec/tags_spec.rb
index 96da97a..b11a5fe 100644
--- a/spec/tags_spec.rb
+++ b/spec/tags_spec.rb
@@ -212,7 +212,7 @@
       end
       
       it "to have property Runtime" do
-          expect(resource["Properties"]["Runtime"]).to eq("python3.7")
+          expect(resource["Properties"]["Runtime"]).to eq("python3.8")
       end
       
       it "to have property Timeout" do
diff --git a/spec/users_spec.rb b/spec/users_spec.rb
index 4bccd76..ab4f7d6 100644
--- a/spec/users_spec.rb
+++ b/spec/users_spec.rb
@@ -304,7 +304,7 @@
       end
       
       it "to have property Runtime" do
-          expect(resource["Properties"]["Runtime"]).to eq("python3.7")
+          expect(resource["Properties"]["Runtime"]).to eq("python3.8")
       end
       
       it "to have property Timeout" do