diff --git a/samtranslator/model/lambda_.py b/samtranslator/model/lambda_.py
index e4603adf7..52de4a457 100644
--- a/samtranslator/model/lambda_.py
+++ b/samtranslator/model/lambda_.py
@@ -94,7 +94,7 @@ class LambdaLayerVersion(Resource):
             'Content': PropertyType(True, is_type(dict)),
             'Description': PropertyType(False, is_str()),
             'LayerName': PropertyType(False, is_str()),
-            'CompatibleRuntimes': PropertyType(False, list_of(is_str())),
+            'CompatibleRuntimes': PropertyType(False, list_of(one_of(is_str(), is_type(dict)))),
             'LicenseInfo': PropertyType(False, is_str())
     }
 
diff --git a/samtranslator/model/sam_resources.py b/samtranslator/model/sam_resources.py
index 778143b67..6fa66be93 100644
--- a/samtranslator/model/sam_resources.py
+++ b/samtranslator/model/sam_resources.py
@@ -618,7 +618,7 @@ class SamLayerVersion(SamResourceMacro):
         'LayerName': PropertyType(False, one_of(is_str(), is_type(dict))),
         'Description': PropertyType(False, is_str()),
         'ContentUri': PropertyType(True, one_of(is_str(), is_type(dict))),
-        'CompatibleRuntimes': PropertyType(False, list_of(is_str())),
+        'CompatibleRuntimes': PropertyType(False, list_of(one_of(is_str(), is_type(dict)))),
         'LicenseInfo': PropertyType(False, is_str()),
         'RetentionPolicy': PropertyType(False, is_str())
     }
diff --git a/tests/translator/input/layers_with_intrinsics.yaml b/tests/translator/input/layers_with_intrinsics.yaml
index 70a9c8764..b593a7b63 100644
--- a/tests/translator/input/layers_with_intrinsics.yaml
+++ b/tests/translator/input/layers_with_intrinsics.yaml
@@ -7,6 +7,12 @@ Parameters:
     Default: MIT-0 License
   LayerRuntimeList:
     Type: CommaDelimitedList
+  LayerRuntimeString1:
+    Type: String
+    Default: nodejs6.10
+  LayerRuntimeString2:
+    Type: String
+    Default: nodejs8.10
 
 Resources:
   LayerWithLicenseIntrinsic:
diff --git a/tests/translator/output/aws-cn/layers_with_intrinsics.json b/tests/translator/output/aws-cn/layers_with_intrinsics.json
index c8351374f..feaa6b259 100644
--- a/tests/translator/output/aws-cn/layers_with_intrinsics.json
+++ b/tests/translator/output/aws-cn/layers_with_intrinsics.json
@@ -1,26 +1,34 @@
 {
   "Parameters": {
     "LayerLicenseInfo": {
-      "Default": "MIT-0 License",
+      "Default": "MIT-0 License", 
       "Type": "String"
-    },
+    }, 
     "LayerRuntimeList": {
       "Type": "CommaDelimitedList"
-    },
+    }, 
     "LayerNameParam": {
-      "Default": "SomeLayerName",
+      "Default": "SomeLayerName", 
+      "Type": "String"
+    }, 
+    "LayerRuntimeString1": {
+      "Default": "nodejs6.10", 
+      "Type": "String"
+    }, 
+    "LayerRuntimeString2": {
+      "Default": "nodejs8.10", 
       "Type": "String"
     }
-  },
+  }, 
   "Resources": {
     "LayerWithNameIntrinsiccf8baed8b9": {
-      "DeletionPolicy": "Retain",
-      "Type": "AWS::Lambda::LayerVersion",
+      "DeletionPolicy": "Retain", 
+      "Type": "AWS::Lambda::LayerVersion", 
       "Properties": {
         "Content": {
-          "S3Bucket": "sam-demo-bucket",
+          "S3Bucket": "sam-demo-bucket", 
           "S3Key": "layer.zip"
-        },
+        }, 
         "LayerName": "SomeLayerName"
       }
     },
@@ -49,28 +57,28 @@
       }
     },
     "LayerWithRuntimesIntrinsic1a006faa85": {
-      "DeletionPolicy": "Retain",
-      "Type": "AWS::Lambda::LayerVersion",
+      "DeletionPolicy": "Retain", 
+      "Type": "AWS::Lambda::LayerVersion", 
       "Properties": {
         "Content": {
-          "S3Bucket": "sam-demo-bucket",
+          "S3Bucket": "sam-demo-bucket", 
           "S3Key": "layer.zip"
-        },
-        "LayerName": "LayerWithRuntimesIntrinsic",
+        }, 
+        "LayerName": "LayerWithRuntimesIntrinsic", 
         "CompatibleRuntimes": {
           "Ref": "LayerRuntimeList"
         }
       }
-    },
+    }, 
     "LayerWithLicenseIntrinsic965c8d0c9b": {
-      "DeletionPolicy": "Retain",
-      "Type": "AWS::Lambda::LayerVersion",
+      "DeletionPolicy": "Retain", 
+      "Type": "AWS::Lambda::LayerVersion", 
       "Properties": {
         "Content": {
-          "S3Bucket": "sam-demo-bucket",
+          "S3Bucket": "sam-demo-bucket", 
           "S3Key": "layer.zip"
-        },
-        "LayerName": "LayerWithLicenseIntrinsic",
+        }, 
+        "LayerName": "LayerWithLicenseIntrinsic", 
         "LicenseInfo": "MIT-0 License"
       }
     },
@@ -89,4 +97,3 @@
     }
   }
 }
-
diff --git a/tests/translator/output/aws-us-gov/layers_with_intrinsics.json b/tests/translator/output/aws-us-gov/layers_with_intrinsics.json
index a0a46e7d7..8a087afc1 100644
--- a/tests/translator/output/aws-us-gov/layers_with_intrinsics.json
+++ b/tests/translator/output/aws-us-gov/layers_with_intrinsics.json
@@ -1,26 +1,34 @@
 {
   "Parameters": {
     "LayerLicenseInfo": {
-      "Default": "MIT-0 License",
+      "Default": "MIT-0 License", 
       "Type": "String"
-    },
+    }, 
     "LayerRuntimeList": {
       "Type": "CommaDelimitedList"
-    },
+    }, 
     "LayerNameParam": {
-      "Default": "SomeLayerName",
+      "Default": "SomeLayerName", 
+      "Type": "String"
+    }, 
+    "LayerRuntimeString1": {
+      "Default": "nodejs6.10", 
+      "Type": "String"
+    }, 
+    "LayerRuntimeString2": {
+      "Default": "nodejs8.10", 
       "Type": "String"
     }
-  },
+  }, 
   "Resources": {
     "LayerWithNameIntrinsiccf8baed8b9": {
-      "DeletionPolicy": "Retain",
-      "Type": "AWS::Lambda::LayerVersion",
+      "DeletionPolicy": "Retain", 
+      "Type": "AWS::Lambda::LayerVersion", 
       "Properties": {
         "Content": {
-          "S3Bucket": "sam-demo-bucket",
+          "S3Bucket": "sam-demo-bucket", 
           "S3Key": "layer.zip"
-        },
+        }, 
         "LayerName": "SomeLayerName"
       }
     },
@@ -49,28 +57,28 @@
       }
     },
     "LayerWithRuntimesIntrinsic1a006faa85": {
-      "DeletionPolicy": "Retain",
-      "Type": "AWS::Lambda::LayerVersion",
+      "DeletionPolicy": "Retain", 
+      "Type": "AWS::Lambda::LayerVersion", 
       "Properties": {
         "Content": {
-          "S3Bucket": "sam-demo-bucket",
+          "S3Bucket": "sam-demo-bucket", 
           "S3Key": "layer.zip"
-        },
-        "LayerName": "LayerWithRuntimesIntrinsic",
+        }, 
+        "LayerName": "LayerWithRuntimesIntrinsic", 
         "CompatibleRuntimes": {
           "Ref": "LayerRuntimeList"
         }
       }
-    },
+    }, 
     "LayerWithLicenseIntrinsic965c8d0c9b": {
-      "DeletionPolicy": "Retain",
-      "Type": "AWS::Lambda::LayerVersion",
+      "DeletionPolicy": "Retain", 
+      "Type": "AWS::Lambda::LayerVersion", 
       "Properties": {
         "Content": {
-          "S3Bucket": "sam-demo-bucket",
+          "S3Bucket": "sam-demo-bucket", 
           "S3Key": "layer.zip"
-        },
-        "LayerName": "LayerWithLicenseIntrinsic",
+        }, 
+        "LayerName": "LayerWithLicenseIntrinsic", 
         "LicenseInfo": "MIT-0 License"
       }
     },
diff --git a/tests/translator/output/layers_with_intrinsics.json b/tests/translator/output/layers_with_intrinsics.json
index 79e2dea55..41c9d1b26 100644
--- a/tests/translator/output/layers_with_intrinsics.json
+++ b/tests/translator/output/layers_with_intrinsics.json
@@ -1,26 +1,34 @@
 {
   "Parameters": {
     "LayerLicenseInfo": {
-      "Default": "MIT-0 License",
+      "Default": "MIT-0 License", 
       "Type": "String"
-    },
+    }, 
     "LayerRuntimeList": {
       "Type": "CommaDelimitedList"
-    },
+    }, 
     "LayerNameParam": {
-      "Default": "SomeLayerName",
+      "Default": "SomeLayerName", 
+      "Type": "String"
+    }, 
+    "LayerRuntimeString1": {
+      "Default": "nodejs6.10", 
+      "Type": "String"
+    }, 
+    "LayerRuntimeString2": {
+      "Default": "nodejs8.10", 
       "Type": "String"
     }
-  },
+  }, 
   "Resources": {
     "LayerWithNameIntrinsiccf8baed8b9": {
-      "DeletionPolicy": "Retain",
-      "Type": "AWS::Lambda::LayerVersion",
+      "DeletionPolicy": "Retain", 
+      "Type": "AWS::Lambda::LayerVersion", 
       "Properties": {
         "Content": {
-          "S3Bucket": "sam-demo-bucket",
+          "S3Bucket": "sam-demo-bucket", 
           "S3Key": "layer.zip"
-        },
+        }, 
         "LayerName": "SomeLayerName"
       }
     },
@@ -49,28 +57,28 @@
       }
     },
     "LayerWithRuntimesIntrinsic1a006faa85": {
-      "DeletionPolicy": "Retain",
-      "Type": "AWS::Lambda::LayerVersion",
+      "DeletionPolicy": "Retain", 
+      "Type": "AWS::Lambda::LayerVersion", 
       "Properties": {
         "Content": {
-          "S3Bucket": "sam-demo-bucket",
+          "S3Bucket": "sam-demo-bucket", 
           "S3Key": "layer.zip"
-        },
-        "LayerName": "LayerWithRuntimesIntrinsic",
+        }, 
+        "LayerName": "LayerWithRuntimesIntrinsic", 
         "CompatibleRuntimes": {
           "Ref": "LayerRuntimeList"
         }
       }
-    },
+    }, 
     "LayerWithLicenseIntrinsic965c8d0c9b": {
-      "DeletionPolicy": "Retain",
-      "Type": "AWS::Lambda::LayerVersion",
+      "DeletionPolicy": "Retain", 
+      "Type": "AWS::Lambda::LayerVersion", 
       "Properties": {
         "Content": {
-          "S3Bucket": "sam-demo-bucket",
+          "S3Bucket": "sam-demo-bucket", 
           "S3Key": "layer.zip"
-        },
-        "LayerName": "LayerWithLicenseIntrinsic",
+        }, 
+        "LayerName": "LayerWithLicenseIntrinsic", 
         "LicenseInfo": "MIT-0 License"
       }
     },