diff --git a/ntex-cors/Cargo.toml b/ntex-cors/Cargo.toml
index b2fa73fb..4ed519a3 100644
--- a/ntex-cors/Cargo.toml
+++ b/ntex-cors/Cargo.toml
@@ -16,6 +16,6 @@ name = "ntex_cors"
 path = "src/lib.rs"
 
 [dependencies]
-ntex = "0.3.2"
+ntex = "0.3.5"
 derive_more = "0.99.11"
 futures = "0.3.13"
\ No newline at end of file
diff --git a/ntex-files/Cargo.toml b/ntex-files/Cargo.toml
index 16a698e9..3fca2f49 100644
--- a/ntex-files/Cargo.toml
+++ b/ntex-files/Cargo.toml
@@ -18,7 +18,7 @@ name = "ntex_files"
 path = "src/lib.rs"
 
 [dependencies]
-ntex = "0.3.2"
+ntex = "0.3.5"
 bitflags = "1.2"
 futures = "0.3"
 derive_more = "0.99.11"
@@ -27,7 +27,7 @@ log = "0.4"
 mime = "0.3"
 mime_guess = "2.0.1"
 percent-encoding = "2.1"
-v_htmlescape = "0.4"
+v_htmlescape = "0.13"
 
 [dev-dependencies]
-ntex = { version = "0.3.2", features=["openssl", "compress"] }
+ntex = { version = "0.3.5", features=["openssl", "compress"] }
diff --git a/ntex-identity/Cargo.toml b/ntex-identity/Cargo.toml
index 23e8d574..40506d2e 100644
--- a/ntex-identity/Cargo.toml
+++ b/ntex-identity/Cargo.toml
@@ -21,10 +21,10 @@ default = ["cookie-policy"]
 cookie-policy = ["cookie/secure", "ntex/cookie"]
 
 [dependencies]
-ntex = "0.3.2"
+ntex = "0.3.5"
 futures = "0.3.13"
 serde = "1.0"
 serde_json = "1.0"
-cookie = "0.14.2"
 derive_more = "0.99.11"
+cookie = { version = "0.15", features = ["private"] }
 time = { version = "0.2.5", default-features = false, features = ["std"] }
diff --git a/ntex-identity/src/lib.rs b/ntex-identity/src/lib.rs
index 53d5d4f1..2452c0da 100644
--- a/ntex-identity/src/lib.rs
+++ b/ntex-identity/src/lib.rs
@@ -393,10 +393,10 @@ impl<Err: ErrorRenderer> CookieIdentityInner<Err> {
         let mut jar = CookieJar::new();
         let key = if self.legacy_supported() { &self.key } else { &self.key_v2 };
         if add_cookie {
-            jar.private(&key).add(cookie);
+            jar.private_mut(&key).add(cookie);
         } else {
             jar.add_original(cookie.clone());
-            jar.private(&key).remove(cookie);
+            jar.private_mut(&key).remove(cookie);
         }
         for cookie in jar.delta() {
             let val = HeaderValue::from_str(&cookie.to_string()).map_err(HttpError::from)?;
@@ -761,7 +761,7 @@ mod tests {
 
     fn legacy_login_cookie(identity: &'static str) -> Cookie<'static> {
         let mut jar = CookieJar::new();
-        jar.private(&Key::derive_from(&COOKIE_KEY_MASTER))
+        jar.private_mut(&Key::derive_from(&COOKIE_KEY_MASTER))
             .add(Cookie::new(COOKIE_NAME, identity));
         jar.get(COOKIE_NAME).unwrap().clone()
     }
@@ -774,7 +774,7 @@ mod tests {
         let mut jar = CookieJar::new();
         let key: Vec<u8> =
             COOKIE_KEY_MASTER.iter().chain([1, 0, 0, 0].iter()).map(|e| *e).collect();
-        jar.private(&Key::derive_from(&key)).add(Cookie::new(
+        jar.private_mut(&Key::derive_from(&key)).add(Cookie::new(
             COOKIE_NAME,
             serde_json::to_string(&CookieValue {
                 identity: identity.to_string(),
diff --git a/ntex-multipart/Cargo.toml b/ntex-multipart/Cargo.toml
index 17f42348..57bb744e 100644
--- a/ntex-multipart/Cargo.toml
+++ b/ntex-multipart/Cargo.toml
@@ -16,7 +16,7 @@ name = "ntex_multipart"
 path = "src/lib.rs"
 
 [dependencies]
-ntex = "0.3.2"
+ntex = "0.3.5"
 derive_more = "0.99.11"
 httparse = "1.3"
 futures = "0.3.13"
diff --git a/ntex-session/Cargo.toml b/ntex-session/Cargo.toml
index 59dc5ba0..b241c679 100644
--- a/ntex-session/Cargo.toml
+++ b/ntex-session/Cargo.toml
@@ -22,8 +22,8 @@ default = ["cookie-session"]
 cookie-session = ["cookie/secure", "ntex/cookie"]
 
 [dependencies]
-ntex = "0.3.2"
-cookie = "0.14.2"
+ntex = "0.3.5"
+cookie = "0.15"
 derive_more = "0.99.11"
 futures = "0.3.13"
 serde = "1.0"
diff --git a/ntex-session/src/cookie.rs b/ntex-session/src/cookie.rs
index 9570dc26..ed744c72 100644
--- a/ntex-session/src/cookie.rs
+++ b/ntex-session/src/cookie.rs
@@ -118,8 +118,8 @@ impl<Err> CookieSessionInner<Err> {
         let mut jar = CookieJar::new();
 
         match self.security {
-            CookieSecurity::Signed => jar.signed(&self.key).add(cookie),
-            CookieSecurity::Private => jar.private(&self.key).add(cookie),
+            CookieSecurity::Signed => jar.signed_mut(&self.key).add(cookie),
+            CookieSecurity::Private => jar.private_mut(&self.key).add(cookie),
         }
 
         for cookie in jar.delta() {
@@ -506,6 +506,9 @@ mod tests {
             .expires()
             .expect("Expiration is set");
 
-        assert!(expires_2 - expires_1 >= Duration::seconds(1));
+        assert!(
+            expires_2.datetime().unwrap() - expires_1.datetime().unwrap()
+                >= Duration::seconds(1)
+        );
     }
 }