diff --git a/.gitmodules b/.gitmodules
index 958ce0c..77c7566 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "opentelemetry-proto"]
 	path = opentelemetry-proto
 	url = https://github.com/open-telemetry/opentelemetry-proto
-	branch = v0.20.0
+	branch = v1.0.0
diff --git a/RELEASING.md b/RELEASING.md
index 563fc9d..5f8ddb9 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -14,7 +14,7 @@ have been updated and the generated code needs to be updated.
    make sync VERSION=<new-version>
    ```
 
-2. Edit [`versions.yaml`] with the new version number.  Then, ensure the correct modules versions 
+2. Edit [`versions.yaml`] with the new version number.  Then, ensure the correct modules versions
    are updated and the [`versions.yaml`] syntax is correct.
 
    ```sh
diff --git a/opentelemetry-proto b/opentelemetry-proto
index 1608f92..c4dfbc5 160000
--- a/opentelemetry-proto
+++ b/opentelemetry-proto
@@ -1 +1 @@
-Subproject commit 1608f92cf08119f9aec237c910b200d1317ec696
+Subproject commit c4dfbc51f3cd4089778555a2ac5d9bc093ed2956
diff --git a/versions.yaml b/versions.yaml
index 2de5190..f24b258 100644
--- a/versions.yaml
+++ b/versions.yaml
@@ -14,7 +14,7 @@
 
 module-sets:
   all:
-    version: v0.20.0
+    version: v1.0.0
     modules:
       - go.opentelemetry.io/proto
       - go.opentelemetry.io/proto/otlp