diff --git a/scylla-cql/Cargo.toml b/scylla-cql/Cargo.toml
index 705169a4d3..36e8a76e21 100644
--- a/scylla-cql/Cargo.toml
+++ b/scylla-cql/Cargo.toml
@@ -10,7 +10,7 @@ categories = ["database"]
 license = "MIT OR Apache-2.0"
 
 [dependencies]
-scylla-macros = { version = "0.2.0", path = "../scylla-macros"}
+scylla-macros = { version = "0.2.0", path = "../scylla-macros" }
 byteorder = "1.3.4"
 bytes = "1.0.1"
 num_enum = "0.5"
@@ -22,12 +22,12 @@ thiserror = "1.0"
 bigdecimal = "0.2.0"
 num-bigint = "0.3"
 chrono = { version = "0.4", default-features = false }
-lz4_flex = { version = "0.9.2" }
+lz4_flex = { version = "0.11.1" }
 async-trait = "0.1.57"
 serde = { version = "1.0", optional = true }
 
 [dev-dependencies]
-criterion = "0.3"
+criterion = "0.5"
 
 [[bench]]
 name = "benchmark"
diff --git a/scylla-proxy/Cargo.toml b/scylla-proxy/Cargo.toml
index fb71364452..fd285352d7 100644
--- a/scylla-proxy/Cargo.toml
+++ b/scylla-proxy/Cargo.toml
@@ -13,7 +13,7 @@ license = "MIT OR Apache-2.0"
 defaults = []
 
 [dependencies]
-scylla-cql = { version = "0.0.7", path = "../scylla-cql"}
+scylla-cql = { version = "0.0.7", path = "../scylla-cql" }
 byteorder = "1.3.4"
 bytes = "1.2.0"
 futures = "0.3.6"
@@ -29,6 +29,5 @@ rand = "0.8.5"
 
 [dev-dependencies]
 assert_matches = "1.5.0"
-ntest = "0.8.1"
+ntest = "0.9.0"
 tracing-subscriber = { version = "0.3.14", features = ["env-filter"] }
-env_logger = "0.9"
diff --git a/scylla/Cargo.toml b/scylla/Cargo.toml
index 4c3d4ecdb8..940fcab42c 100644
--- a/scylla/Cargo.toml
+++ b/scylla/Cargo.toml
@@ -20,19 +20,19 @@ cloud = ["ssl", "scylla-cql/serde", "dep:serde_yaml", "dep:serde", "dep:url", "d
 secret = ["scylla-cql/secret"]
 
 [dependencies]
-scylla-macros = { version = "0.2.0", path = "../scylla-macros"}
-scylla-cql = { version = "0.0.7", path = "../scylla-cql"}
+scylla-macros = { version = "0.2.0", path = "../scylla-macros" }
+scylla-cql = { version = "0.0.7", path = "../scylla-cql" }
 byteorder = "1.3.4"
 bytes = "1.0.1"
 futures = "0.3.6"
 histogram = "0.6.9"
 num_enum = "0.5"
-tokio = { version = "1.27", features = ["net", "time", "io-util", "sync", "rt", "macros"] }
+tokio = { version = "1.12", features = ["net", "time", "io-util", "sync", "rt", "macros"] }
 snap = "1.0"
 uuid = { version = "1.0", features = ["v4"] }
 rand = "0.8.3"
 thiserror = "1.0"
-itertools = "0.10.0"
+itertools = "0.11.0"
 bigdecimal = "0.2.0"
 num-bigint = "0.3"
 tracing = "0.1.36"
@@ -43,20 +43,20 @@ arc-swap = "1.3.0"
 dashmap = "5.2"
 strum = "0.23"
 strum_macros = "0.23"
-lz4_flex = { version = "0.9.2" }
+lz4_flex = { version = "0.11.1" }
 smallvec = "1.8.0"
 async-trait = "0.1.56"
 serde = { version = "1.0", features = ["derive"], optional = true }
 serde_yaml = { version = "0.9.14", optional = true }
 url = { version = "2.3.1", optional = true }
-base64 = { version = "0.13.1", optional = true }
+base64 = { version = "0.21.1", optional = true }
 rand_pcg = "0.3.1"
 socket2 = { version = "0.5.3", features = ["all"] }
 
 [dev-dependencies]
-scylla-proxy = { version = "0.0.3", path = "../scylla-proxy"}
-ntest = "0.8.1"
-criterion = "0.3"
+scylla-proxy = { version = "0.0.3", path = "../scylla-proxy" }
+ntest = "0.9.0"
+criterion = "0.5"
 tracing-subscriber = { version = "0.3.14", features = ["env-filter"] }
 assert_matches = "1.5.0"
 rand_chacha = "0.3.1"
diff --git a/scylla/src/cloud/config.rs b/scylla/src/cloud/config.rs
index 3cc343e6c0..74a088726a 100644
--- a/scylla/src/cloud/config.rs
+++ b/scylla/src/cloud/config.rs
@@ -152,6 +152,7 @@ pub(crate) struct Context {
 
 mod deserialize {
     use super::CloudConfigError;
+    use base64::{engine::general_purpose, Engine as _};
     use scylla_cql::{frame::types::SerialConsistency, Consistency};
     use std::{collections::HashMap, fs::File, io::Read, path::Path};
 
@@ -299,7 +300,7 @@ mod deserialize {
         path: Option<&str>, // path to data in file
     ) -> Result<Box<[u8]>, CloudConfigError> {
         let pem = if let Some(data) = data {
-            base64::decode(data)?
+            general_purpose::STANDARD.decode(data)?
         } else if let Some(path) = path {
             let mut buf = vec![];
             File::open(path)
@@ -554,6 +555,7 @@ mod deserialize {
         use super::super::CloudConfig;
         use super::RawCloudConfig;
         use assert_matches::assert_matches;
+        use base64::{engine::general_purpose, Engine as _};
         use openssl::x509::X509;
         use scylla_cql::frame::types::SerialConsistency;
         use scylla_cql::Consistency;
@@ -821,7 +823,12 @@ mod deserialize {
 
                 assert_eq!(
                     auth_info.cert,
-                    X509::from_pem(&base64::decode(TEST_CA.as_bytes()).unwrap()).unwrap()
+                    X509::from_pem(
+                        &general_purpose::STANDARD
+                            .decode(TEST_CA.as_bytes())
+                            .unwrap()
+                    )
+                    .unwrap()
                 );
                 // comparison of PKey<Private> is not possible, so auth_info.key won't be tested here.
 
@@ -831,7 +838,12 @@ mod deserialize {
                 let datacenter = validated_config.datacenters.get("eu-west-1").unwrap();
                 assert_eq!(
                     datacenter.certificate_authority,
-                    X509::from_pem(&base64::decode(TEST_CA.as_bytes()).unwrap()).unwrap()
+                    X509::from_pem(
+                        &general_purpose::STANDARD
+                            .decode(TEST_CA.as_bytes())
+                            .unwrap()
+                    )
+                    .unwrap()
                 );
                 assert_eq!(datacenter.server.as_str(), "127.0.1.12:9142");
                 assert_eq!(datacenter.node_domain, "cql.my-cluster-id.scylla.com");