diff --git a/graphql-demo/Cargo.toml b/graphql-demo/Cargo.toml
index 2771e01..ca123bc 100644
--- a/graphql-demo/Cargo.toml
+++ b/graphql-demo/Cargo.toml
@@ -11,17 +11,15 @@ actix-web = "2.0.0"
 actix-rt = "1.0.0"
 futures = "0.3.1"
 
-juniper = "0.13"
+juniper = "0.14"
 
-mysql = "16.1.0"
+mysql = "17"
 r2d2 = "0.8"
-r2d2_mysql = "16.0"
+r2d2_mysql = "17.0"
 
+dotenv = "0.15"
+env_logger = "0.7"
 log = "0.4"
-env_logger = "0.6.2"
-dotenv = "0.9"
-serde = "1.0"
+serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-serde_derive = "1.0"
-
-uuid = {"version" = "0.7", "features" = ["serde", "v4"]}
\ No newline at end of file
+uuid = { version = "0.8", features = ["serde", "v4"] }
diff --git a/hello-world/Cargo.toml b/hello-world/Cargo.toml
index 5cc1318..bdb31ba 100644
--- a/hello-world/Cargo.toml
+++ b/hello-world/Cargo.toml
@@ -7,4 +7,4 @@ edition = "2018"
 [dependencies]
 actix-web = "2.0.0"
 actix-rt = "1.0.0"
-env_logger = "0.6"
+env_logger = "0.7"
diff --git a/http-proxy/Cargo.toml b/http-proxy/Cargo.toml
index f9686c3..f2e8cdc 100644
--- a/http-proxy/Cargo.toml
+++ b/http-proxy/Cargo.toml
@@ -10,4 +10,4 @@ actix-web = { version = "2.0.0", features=["openssl"] }
 clap = "2.32.0"
 futures = "0.3.1"
 failure = "0.1.3"
-url = "1.7.1"
+url = "2.0"
diff --git a/json/Cargo.toml b/json/Cargo.toml
index d60ba58..4028ec9 100644
--- a/json/Cargo.toml
+++ b/json/Cargo.toml
@@ -12,8 +12,8 @@ actix-service = "1.0.0"
 
 bytes = "0.5.2"
 futures = "0.3.1"
-env_logger = "*"
+env_logger = "0.7"
 
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-json = "*"
+json = "0.12"
diff --git a/jsonrpc/Cargo.toml b/jsonrpc/Cargo.toml
index db2d8c5..e95b7d9 100644
--- a/jsonrpc/Cargo.toml
+++ b/jsonrpc/Cargo.toml
@@ -9,7 +9,7 @@ workspace = ".."
 actix-web = "2.0.0"
 actix-rt = "1.0.0"
 bytes = "0.5"
-env_logger = "0.6"
+env_logger = "0.7"
 futures = "0.3.1"
 log = "0.4"
 serde = { version = "1.0", features = ["derive"] }
diff --git a/middleware/Cargo.toml b/middleware/Cargo.toml
index 2a5e622..34bc2c4 100644
--- a/middleware/Cargo.toml
+++ b/middleware/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "middleware-example"
-version = "1.0.0"
+version = "2.0.0"
 authors = ["Gorm Casper <gcasper@gmail.com>", "Sven-Hendrik Haase <svenstaro@gmail.com>"]
 edition = "2018"
 
@@ -8,7 +8,7 @@ edition = "2018"
 actix-service = "1.0.0"
 actix-rt = "1.0.0"
 actix-web = "2.0.0"
-futures = "0.3.1"
-env_logger = "0.6"
 bytes = "0.5"
-pin-project = "0.4.6"
\ No newline at end of file
+env_logger = "0.7"
+futures = "0.3.1"
+pin-project = "0.4.6"
diff --git a/multipart/Cargo.toml b/multipart/Cargo.toml
index 1fdd887..f574bc5 100644
--- a/multipart/Cargo.toml
+++ b/multipart/Cargo.toml
@@ -10,7 +10,7 @@ repository = "https://github.com/actix/examples"
 readme = "README.md"
 
 [dependencies]
-futures = "0.3.1"
 actix-multipart = "0.2.0"
-actix-web = "2.0.0"
 actix-rt = "1.0.0"
+actix-web = "2.0.0"
+futures = "0.3.1"
diff --git a/openssl/Cargo.toml b/openssl/Cargo.toml
index 08063da..72ed37a 100644
--- a/openssl/Cargo.toml
+++ b/openssl/Cargo.toml
@@ -7,6 +7,6 @@ workspace = ".."
 
 [dependencies]
 actix-rt = "1.0.0"
-actix-web = { version="2.0.0", features=["openssl"] }
-env_logger = "0.6"
+actix-web = { version = "2.0.0", features = ["openssl"] }
+env_logger = "0.7"
 openssl = "0.10"
diff --git a/redis-session/Cargo.toml b/redis-session/Cargo.toml
index 620c5fc..6b25f28 100644
--- a/redis-session/Cargo.toml
+++ b/redis-session/Cargo.toml
@@ -9,7 +9,7 @@ actix-rt = "1.0.0"
 actix-web = "2.0.0"
 actix-session = "0.3.0"
 actix-redis = { version = "0.8.0", features = ["web"] }
-env_logger = "0.6"
+env_logger = "0.7"
 serde = { version = "^1.0", features = ["derive"] }
 actix-service = "1.0.0"
 actix-http = "1.0.0"
diff --git a/redis/Cargo.toml b/redis/Cargo.toml
index ec3d8ca..db64a47 100644
--- a/redis/Cargo.toml
+++ b/redis/Cargo.toml
@@ -12,4 +12,4 @@ actix-redis = "0.8.0"
 futures = "0.3.1"
 redis-async = "0.6.1"
 serde = { version = "1.0.71", features = ["derive"] }
-env_logger = "0.6"
+env_logger = "0.7"
diff --git a/run-in-thread/Cargo.toml b/run-in-thread/Cargo.toml
index e664d2c..cb00f1d 100644
--- a/run-in-thread/Cargo.toml
+++ b/run-in-thread/Cargo.toml
@@ -8,4 +8,4 @@ description = "Run actix-web in separate thread"
 [dependencies]
 actix-web = "2.0.0"
 actix-rt = "1.0.0"
-env_logger = "0.6"
\ No newline at end of file
+env_logger = "0.7"
diff --git a/rustls/Cargo.toml b/rustls/Cargo.toml
index fc8269a..fc7c1b8 100644
--- a/rustls/Cargo.toml
+++ b/rustls/Cargo.toml
@@ -10,8 +10,8 @@ name = "rustls-server"
 path = "src/main.rs"
 
 [dependencies]
-env_logger = "0.5"
+env_logger = "0.7"
 rustls = "0.16"
-actix-web = { version = "2.0.0", features=["rustls"] }
+actix-web = { version = "2.0.0", features = ["rustls"] }
 actix-files = "0.2.1"
 actix-rt = "1.0.0"
diff --git a/server-sent-events/Cargo.toml b/server-sent-events/Cargo.toml
index 48c9f49..cf4d666 100644
--- a/server-sent-events/Cargo.toml
+++ b/server-sent-events/Cargo.toml
@@ -8,6 +8,6 @@ edition = "2018"
 [dependencies]
 actix-rt = "1.0.0"
 actix-web = "2.0.0"
-env_logger = "0.6"
+env_logger = "0.7"
 futures = "0.3.1"
-tokio = "0.2"
\ No newline at end of file
+tokio = "0.2"