diff --git a/protoc-bin/Cargo.toml b/protoc-bin/Cargo.toml
index bfdbd6420..a38836dc0 100644
--- a/protoc-bin/Cargo.toml
+++ b/protoc-bin/Cargo.toml
@@ -16,7 +16,7 @@ doctest = false
 bench = false
 
 [dependencies]
-protoc-bin-vendored = "=3.0.0"
+protoc-bin-vendored = "=3.1.0"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/test-crates/protobuf-codegen-identical-test/Cargo.toml b/test-crates/protobuf-codegen-identical-test/Cargo.toml
index bf6484fd1..731c4659c 100644
--- a/test-crates/protobuf-codegen-identical-test/Cargo.toml
+++ b/test-crates/protobuf-codegen-identical-test/Cargo.toml
@@ -15,7 +15,7 @@ anyhow = "1.0.57"
 tempfile = "3"
 regex = "1.3.9"
 
-protoc-bin-vendored = "=3.0.0"
+protoc-bin-vendored = "=3.1.0"
 
 protobuf = { path = "../../protobuf" }
 protobuf-support = { path = "../../protobuf-support" }
diff --git a/test-crates/protobuf-codegen-protoc-test/Cargo.toml b/test-crates/protobuf-codegen-protoc-test/Cargo.toml
index 9c4b30b50..fd7f07f72 100644
--- a/test-crates/protobuf-codegen-protoc-test/Cargo.toml
+++ b/test-crates/protobuf-codegen-protoc-test/Cargo.toml
@@ -20,7 +20,7 @@ glob        = "0.2"
 log         = "0.4"
 env_logger  = "0.5.*"
 
-protoc-bin-vendored = "=3.0.0"
+protoc-bin-vendored = "=3.1.0"
 
 protobuf-codegen = { path = "../../protobuf-codegen" }
 protobuf-test-common = { path = "../../test-crates/protobuf-test-common" }
diff --git a/test-crates/protobuf-parse-error-test/Cargo.toml b/test-crates/protobuf-parse-error-test/Cargo.toml
index 042c9e164..538248c4a 100644
--- a/test-crates/protobuf-parse-error-test/Cargo.toml
+++ b/test-crates/protobuf-parse-error-test/Cargo.toml
@@ -12,7 +12,7 @@ bench = false
 [dependencies]
 tempfile = "3.2.0"
 
-protoc-bin-vendored = "=3.0.0"
+protoc-bin-vendored = "=3.1.0"
 
 protobuf-parse = { path = "../../protobuf-parse" }
 protobuf-test-common = { path = "../../test-crates/protobuf-test-common" }