diff --git a/Cargo.toml b/Cargo.toml
index 9f0209f4..71c75b6f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,9 +21,9 @@ members = [
 [dependencies]
 ya-client-model = { version= "^0.4", path = "model" }
 
-awc = "2.0"
-actix-codec = "0.3"
-bytes = "0.5"
+awc = "3"
+actix-codec = "0.5"
+bytes = "1"
 chrono = "0.4"
 envy = "0.4"
 futures = "0.3"
@@ -32,22 +32,22 @@ heck = "0.3.1"
 log = "0.4"
 rand = "0.6"
 mime = "0.3"
-serde = "1.0"
+serde = "1"
 serde_json = "1.0"
 serde_qs = "0.8"
-thiserror = "1.0"
-url = "2.1"
+thiserror = "1"
+url = "2"
 
 graphene-sgx = { version = "0.3.3", optional = true }
 lazy_static = { version = "1.4", optional = true }
 secp256k1 = { version = "0.19", optional = true }
-structopt = { version = "0.3.12", optional = true }
+structopt = { version = "0.3", optional = true }
 openssl = { version = "0.10", optional = true }
 
 [dev-dependencies]
-actix-rt = "1.1"
+actix-rt = "2.7.0"
 anyhow = "1.0"
-env_logger = "0.7"
+env_logger = "0.9"
 structopt = "0.3"
 
 [package.metadata.release]
diff --git a/model/Cargo.toml b/model/Cargo.toml
index 75c898da..9be16381 100644
--- a/model/Cargo.toml
+++ b/model/Cargo.toml
@@ -16,10 +16,10 @@ sgx = ['secp256k1', 'openssl', 'hex', 'secp256k1/serde']
 [dependencies]
 bigdecimal = { version = "0.2", features = ["serde"]}
 chrono = { version = "0.4", features = ["serde"]}
-derive_more = "0.99.11"
-rand = "0.7.3"
-serde = { version = "^1.0", features = ["derive"] }
-serde_json = "^1.0"
+derive_more = "0.99"
+rand = "0.8"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
 strum = "0.19"
 strum_macros = "0.19"
 thiserror = "1.0"
diff --git a/model/src/activity.rs b/model/src/activity.rs
index 35cfab75..2c1a2ae0 100644
--- a/model/src/activity.rs
+++ b/model/src/activity.rs
@@ -25,4 +25,4 @@ pub use self::runtime_event::{RuntimeEvent, RuntimeEventKind};
 #[cfg(feature = "sgx")]
 pub use self::sgx_credentials::SgxCredentials;
 
-pub const ACTIVITY_API_PATH: &str = "/activity-api/v1/";
+pub const ACTIVITY_API_PATH: &str = "/activity-api/v1";
diff --git a/model/src/market.rs b/model/src/market.rs
index cf162ad5..57ae70ea 100644
--- a/model/src/market.rs
+++ b/model/src/market.rs
@@ -20,4 +20,4 @@ pub use property_query::PropertyQuery;
 pub use proposal::Proposal;
 pub use reason::Reason;
 
-pub const MARKET_API_PATH: &str = "market-api/v1/";
+pub const MARKET_API_PATH: &str = "/market-api/v1";
diff --git a/model/src/net.rs b/model/src/net.rs
index c0e3e48d..906acd76 100644
--- a/model/src/net.rs
+++ b/model/src/net.rs
@@ -1,6 +1,6 @@
 use serde::{Deserialize, Serialize};
 
-pub const NET_API_PATH: &str = "/net-api/v1/";
+pub const NET_API_PATH: &str = "/net-api/v1";
 
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
diff --git a/model/src/payment.rs b/model/src/payment.rs
index b53bac0f..cbf3826e 100644
--- a/model/src/payment.rs
+++ b/model/src/payment.rs
@@ -37,4 +37,4 @@ pub use self::payment::Payment;
 pub use self::rejection::Rejection;
 pub use self::rejection_reason::RejectionReason;
 
-pub const PAYMENT_API_PATH: &str = "payment-api/v1/";
+pub const PAYMENT_API_PATH: &str = "/payment-api/v1";
diff --git a/src/web.rs b/src/web.rs
index f581241f..c4207eb4 100644
--- a/src/web.rs
+++ b/src/web.rs
@@ -2,11 +2,12 @@
 use actix_codec::Framed;
 use awc::{
     error::{PayloadError, SendRequestError},
-    http::{header, HeaderMap, HeaderName, HeaderValue, Method, StatusCode},
+    http::header::{HeaderMap, HeaderName, HeaderValue},
+    http::{header, Method, StatusCode},
     ws::Codec,
     BoxedSocket, ClientRequest, ClientResponse, SendClientRequest,
 };
-use bytes::{Buf, Bytes, BytesMut};
+use bytes::{Bytes, BytesMut};
 use futures::stream::Peekable;
 use futures::{Stream, StreamExt, TryStreamExt};
 use heck::MixedCase;
@@ -54,7 +55,8 @@ pub trait WebInterface {
         if let Some(url) = std::env::var(Self::API_URL_ENV_VAR).ok() {
             return Ok(Url::from_str(&url)?.into());
         }
-        Ok(base_url.join(Self::API_SUFFIX)?.into())
+        let with_trailing = format!("{}/", Self::API_SUFFIX);
+        Ok(base_url.join(&with_trailing)?.into())
     }
 
     fn from_client(client: WebClient) -> Self;
@@ -117,7 +119,7 @@ impl WebClient {
         let request = self
             .awc
             .request(method.clone(), &url)
-            .set(header::Accept(vec![header::qitem(mime::TEXT_EVENT_STREAM)]));
+            .insert_header((header::ACCEPT, mime::TEXT_EVENT_STREAM));
         let stream = request
             .send()
             .await
@@ -319,7 +321,7 @@ impl WebClientBuilder {
             }
         }
         for (key, value) in self.headers.iter() {
-            builder = builder.header(key.clone(), value.clone());
+            builder = builder.add_default_header((key.clone(), value.clone()));
         }
 
         WebClient {
@@ -446,7 +448,7 @@ where
 
     fn next_event(&mut self, start_idx: usize) -> Option<Result<Event>> {
         let idx = max(0, start_idx as i64 - 1) as usize;
-        if let Some(idx) = Self::find(self.buffer.bytes(), b"\n\n", idx) {
+        if let Some(idx) = Self::find(&self.buffer, b"\n\n", idx) {
             let bytes = self.buffer.split_to(idx);
             return String::from_utf8(bytes.to_vec())
                 .map(Event::try_from)