diff --git a/docs/releases.md b/docs/releases.md
index 89600a65..ac3d73eb 100644
--- a/docs/releases.md
+++ b/docs/releases.md
@@ -1,3 +1,8 @@
+## 3.0.0 10/2/2020
+
+Generate terraform-compatible GCP topic names.
+Generate names with SLASH ("/") instead of DOT (".") between a topic's namespace and its versioned resource name. Even though DOT is a valid topic-name character according to GCP, it causes issues with terraform.
+
 ## 2.2.5 9/16/2020
 
 Now installable as a cmd line tool. Please follow the installation instructions, or run ./install-reslang to create links
diff --git a/models/eventing/testdata/asyncapi.expected b/models/eventing/testdata/asyncapi.expected
index 68679f56..133de951 100644
--- a/models/eventing/testdata/asyncapi.expected
+++ b/models/eventing/testdata/asyncapi.expected
@@ -10,42 +10,42 @@ servers:
     description: Production Google Pubsub server
 defaultContentType: application/json
 channels:
-  topics/andrew-simple-example.v1-simple-resource-resource:
+  topics/andrew/simple-example/v1-simple-resource-resource:
     description: A simple REST resource
     subscribe:
       summary: 'REST: SimpleResource'
       operationId: SimpleResource
       message:
         $ref: '#/components/messages/SimpleResource'
-  topics/andrew-simple-example.v2-test-resource-resource:
+  topics/andrew/simple-example/v2-test-resource-resource:
     description: A test REST resource
     subscribe:
       summary: 'REST: v2/TestResource'
       operationId: v2/TestResource
       message:
         $ref: '#/components/messages/v2TestResource'
-  topics/andrew-simple-example.v2-test-resource-foo-resource:
+  topics/andrew/simple-example/v2-test-resource-foo-resource:
     description: A REST subresource
     subscribe:
       summary: 'REST: v2/TestResource::Foo'
       operationId: 'v2/TestResource::Foo'
       message:
         $ref: '#/components/messages/v2TestResourceFoo'
-  topics/eventing.v1-start-signal:
+  topics/eventing/v1-start-signal:
     description: Event to start
     publish:
       summary: 'Adhoc: StartSignal'
       operationId: StartSignal
       message:
         $ref: '#/components/messages/StartSignal'
-  topics/eventing.v3-stop-signal:
+  topics/eventing/v3-stop-signal:
     description: Event to stop
     subscribe:
       summary: 'Adhoc: v3/StopSignal'
       operationId: v3/StopSignal
       message:
         $ref: '#/components/messages/v3StopSignal'
-  topics/eventing.v1-directory-delete-incomplete:
+  topics/eventing/v1-directory-delete-incomplete:
     description: 'If a deletion is corrupted, we generate this event'
     publish:
       summary: 'Adhoc: file.DirectoryDeleteIncomplete'
@@ -409,4 +409,3 @@ components:
           - a
           - b
         description: Event to stop
-
diff --git a/models/file/testdata/asyncapi.expected b/models/file/testdata/asyncapi.expected
index dd630c36..5896a5ce 100644
--- a/models/file/testdata/asyncapi.expected
+++ b/models/file/testdata/asyncapi.expected
@@ -10,21 +10,21 @@ servers:
     description: Production Google Pubsub server
 defaultContentType: application/json
 channels:
-  topics/file.v1-directory-file-resource:
+  topics/file/v1-directory-file-resource:
     description: This models a file in a directory
     subscribe:
       summary: 'REST: Directory::File'
       operationId: 'Directory::File'
       message:
         $ref: '#/components/messages/DirectoryFile'
-  topics/file.v1-directory-delete-request-resource:
+  topics/file/v1-directory-delete-request-resource:
     description: This models a long running request
     subscribe:
       summary: 'REST: DirectoryDeleteRequest'
       operationId: DirectoryDeleteRequest
       message:
         $ref: '#/components/messages/DirectoryDeleteRequest'
-  topics/file.v1-directory-delete-incomplete:
+  topics/file/v1-directory-delete-incomplete:
     description: 'If a deletion is corrupted, we generate this event'
     publish:
       summary: 'Adhoc: DirectoryDeleteIncomplete'
@@ -223,4 +223,3 @@ components:
         required:
           - timeOfFailure
         description: 'If a deletion is corrupted, we generate this event'
-
diff --git a/models/milkman/testdata/asyncapi.expected b/models/milkman/testdata/asyncapi.expected
index 3f5b3065..adda3ebd 100644
--- a/models/milkman/testdata/asyncapi.expected
+++ b/models/milkman/testdata/asyncapi.expected
@@ -10,7 +10,7 @@ servers:
     description: Production Google Pubsub server
 defaultContentType: application/json
 channels:
-  topics/milkman.v1-deliver-milk-resource:
+  topics/milkman/v1-deliver-milk-resource:
     description: no documentation
     subscribe:
       summary: 'REST: DeliverMilk'
@@ -126,4 +126,3 @@ components:
           - verb
           - location
           - ids
-
diff --git a/src/genevents.ts b/src/genevents.ts
index a44f34d0..8c9110df 100644
--- a/src/genevents.ts
+++ b/src/genevents.ts
@@ -117,15 +117,12 @@ export default class EventsGen extends BaseGen {
 
             const unique = camelCase(this.formSingleUniqueName(el))
             if (isResourceLike(el) && !el.future && el.events) {
-                channels[
-                    "topics/" +
-                        snakeCase(this.getSpace()) +
-                        "." +
-                        getVersion(el.name) +
-                        "-" +
-                        snakeCase(el.name) +
-                        "-resource"
-                ] = {
+                let name = this.topicName(
+                    this.getSpace(),
+                    getVersion(el.name),
+                    snakeCase(el.name)
+                )
+                channels[`${name}-resource`] = {
                     description:
                         this.translateDoc(el.comment) || "no documentation",
                     subscribe: {
@@ -167,15 +164,12 @@ export default class EventsGen extends BaseGen {
             if (consumes.has(name)) {
                 details.subscribe = msg
             }
-
-            channels[
-                "topics/" +
-                    this.mainNamespace +
-                    "." +
-                    getVersion(def.name) +
-                    "-" +
-                    snakeCase(def.short)
-            ] = details
+            let topicName = this.topicName(
+                this.mainNamespace || "",
+                getVersion(def.name),
+                snakeCase(def.short)
+            )
+            channels[topicName] = details
         })
     }
 
@@ -385,4 +379,14 @@ export default class EventsGen extends BaseGen {
             }
         }
     }
+
+    private topicName(
+        namespace: string,
+        version: string,
+        name: string
+    ): string {
+        let str = `${version}-${name}`
+        if (namespace !== "") str = `${namespace}/${str}`
+        return `topics/${str}`
+    }
 }
diff --git a/src/main.ts b/src/main.ts
index fa0973fc..fbe85a8a 100755
--- a/src/main.ts
+++ b/src/main.ts
@@ -18,7 +18,7 @@ import JsonSchemaGen from "./genjsonschema"
 const RULES = "rules.json"
 const LOCAL_RULES = lpath.join(__dirname, "library", RULES)
 
-export const VERSION = "v2.2.5"
+export const VERSION = "v3.0.0"
 
 // parse the cmd line
 const args = yargs