diff --git a/.gitignore b/.gitignore
index 0a66cac50..ec2e10ce9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@ guide/build/
 *.pid
 *.sock
 *~
+.DS_Store
diff --git a/actix-protobuf/CHANGES.md b/actix-protobuf/CHANGES.md
index a2a6aa2ba..e420347f7 100644
--- a/actix-protobuf/CHANGES.md
+++ b/actix-protobuf/CHANGES.md
@@ -1,6 +1,7 @@
 # Changes
 
 ## Unreleased - 2021-xx-xx
+- Bump `prost` version to 0.9.
 
 
 ## 0.7.0-beta.4 - 2021-12-29
diff --git a/actix-protobuf/Cargo.toml b/actix-protobuf/Cargo.toml
index 1af1a325b..f806281d3 100644
--- a/actix-protobuf/Cargo.toml
+++ b/actix-protobuf/Cargo.toml
@@ -22,7 +22,7 @@ actix-rt = "2"
 actix-web = { version = "4.0.0-beta.17", default_features = false }
 derive_more = "0.99.5"
 futures-util = { version = "0.3.7", default-features = false }
-prost = { version = "0.8", default_features = false }
+prost = { version = "0.9", default_features = false }
 
 [dev-dependencies]
-prost = { version = "0.8", default_features = false, features = ["prost-derive"] }
+prost = { version = "0.9", default_features = false, features = ["prost-derive"] }
diff --git a/actix-redis/Cargo.toml b/actix-redis/Cargo.toml
index 5e1a71de6..eb202a162 100644
--- a/actix-redis/Cargo.toml
+++ b/actix-redis/Cargo.toml
@@ -54,7 +54,7 @@ serde_json = { version = "1.0.40", optional = true }
 [dev-dependencies]
 actix-test = "0.1.0-beta.10"
 actix-rt = "2.1"
-env_logger = "0.0"
+env_logger = "0.9"
 serde = { version = "1.0.101", features = ["derive"] }
 
 [[example]]