diff --git a/Cargo.lock b/Cargo.lock
index 4b4e4a3..d5d951d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -727,7 +727,7 @@ checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
 
 [[package]]
 name = "libworterbuch"
-version = "0.2.2"
+version = "0.3.0"
 dependencies = [
  "futures-channel",
  "futures-util",
@@ -1930,7 +1930,7 @@ checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
 
 [[package]]
 name = "worterbuch"
-version = "0.2.2"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "async-stream",
@@ -1954,7 +1954,7 @@ dependencies = [
 
 [[package]]
 name = "worterbuch-cli"
-version = "0.2.2"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "clap",
diff --git a/libworterbuch/Cargo.toml b/libworterbuch/Cargo.toml
index ddf448a..395fd54 100644
--- a/libworterbuch/Cargo.toml
+++ b/libworterbuch/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "libworterbuch"
-version = "0.2.2"
+version = "0.3.0"
 edition = "2021"
 authors = ["Michael Bachmann <mbachmann@bbmsoft.net>"]
 description = "Client library for Wörterbuch."
@@ -19,7 +19,7 @@ web = ["futures-util", "tokio-tungstenite"]
 
 [dependencies]
 log = "0.4.17"
-tokio = { version = "1.19.2", features = ["sync", "rt"] }
+tokio = { version = "1.19.2", features = ["sync", "rt", "io-util"] }
 serde = { version = "1.0.137", features = ["derive"] }
 serde_json = { version = "1.0.81" }
 
diff --git a/worterbuch-cli/Cargo.toml b/worterbuch-cli/Cargo.toml
index 3a20bbd..49161cd 100644
--- a/worterbuch-cli/Cargo.toml
+++ b/worterbuch-cli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "worterbuch-cli"
-version = "0.2.2"
+version = "0.3.0"
 edition = "2021"
 authors = ["Michael Bachmann <mbachmann@bbmsoft.net>"]
 description = "Command line clients for Wörterbuch."
@@ -17,7 +17,7 @@ ws = ["libworterbuch/ws"]
 graphql = ["libworterbuch/graphql"]
 
 [dependencies]
-libworterbuch = { version = "0.2.2" }
+libworterbuch = { version = "0.3.0" }
 tokio = { version = "1.19.2", features = ["full"] }
 dotenv = "0.15.0"
 anyhow = "1.0.57"
diff --git a/worterbuch/Cargo.toml b/worterbuch/Cargo.toml
index 8a6d9fe..2937688 100644
--- a/worterbuch/Cargo.toml
+++ b/worterbuch/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "worterbuch"
-version = "0.2.2"
+version = "0.3.0"
 edition = "2021"
 authors = ["Michael Bachmann <mbachmann@bbmsoft.net>"]
 description = "A message broker / database hybrid."
@@ -29,7 +29,7 @@ graphql = [
 web = ["async", "warp", "openssl"]
 
 [dependencies]
-libworterbuch = { version = "0.2.2" }
+libworterbuch = { version = "0.3.0" }
 tokio = { version = "1.19.2", features = ["full"] }
 log = "0.4.17"
 env_logger = "0.9.0"