diff --git a/go/models/function_config.go b/go/models/function_config.go
index dbe30e12..de7bf3b7 100644
--- a/go/models/function_config.go
+++ b/go/models/function_config.go
@@ -33,6 +33,10 @@ type FunctionConfig struct {
 	// generator
 	Generator string `json:"generator,omitempty"`
 
+	// The function's memory allocation in MB.
+	//
+	Memory int64 `json:"memory,omitempty"`
+
 	// priority
 	Priority int64 `json:"priority,omitempty"`
 
diff --git a/go/porcelain/deploy.go b/go/porcelain/deploy.go
index bdef002e..b79372d4 100644
--- a/go/porcelain/deploy.go
+++ b/go/porcelain/deploy.go
@@ -840,11 +840,12 @@ func bundleFromManifest(ctx context.Context, manifestFile *os.File, observer Dep
 			}
 		}
 
-		hasConfig := function.DisplayName != "" || function.Generator != "" || len(routes) > 0 || len(excludedRoutes) > 0 || len(function.BuildData) > 0 || function.Priority != 0 || function.TrafficRules != nil || function.Timeout != 0 || len(function.EventSubscriptions) > 0 || function.Region != ""
+		hasConfig := function.DisplayName != "" || function.Generator != "" || len(routes) > 0 || len(excludedRoutes) > 0 || len(function.BuildData) > 0 || function.Priority != 0 || function.TrafficRules != nil || function.Timeout != 0 || len(function.EventSubscriptions) > 0 || function.Region != "" || function.Memory != 0
 		if hasConfig {
 			cfg := models.FunctionConfig{
 				DisplayName:        function.DisplayName,
 				Generator:          function.Generator,
+				Memory:             function.Memory,
 				Region:             function.Region,
 				Routes:             routes,
 				ExcludedRoutes:     excludedRoutes,
diff --git a/go/porcelain/functions_manifest.go b/go/porcelain/functions_manifest.go
index 4d4e44a9..93c50176 100644
--- a/go/porcelain/functions_manifest.go
+++ b/go/porcelain/functions_manifest.go
@@ -10,6 +10,7 @@ type functionsManifest struct {
 
 type functionsManifestEntry struct {
 	MainFile           string                  `json:"mainFile"`
+	Memory             int64                   `json:"memory"`
 	Name               string                  `json:"name"`
 	Path               string                  `json:"path"`
 	Region             string                  `json:"region"`
diff --git a/swagger.yml b/swagger.yml
index c831d78a..79c49995 100644
--- a/swagger.yml
+++ b/swagger.yml
@@ -5555,6 +5555,10 @@ definitions:
         type: string
       build_data:
         type: object
+      memory:
+        type: integer
+        description: |
+          The function's memory allocation in MB.
       routes:
         type: array
         items: