diff --git a/Cargo.toml b/Cargo.toml
index a225f888..7d6c2e49 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,8 +18,8 @@ guid-create = "0.1"
 lettre = "0.9.2"
 lettre_email = "0.9.2"
 num_cpus = "1.10"
-rocket = "0.4.6"
-rocket_contrib = { version = "0.4.5", features = ["json"] }
+rocket = "=0.4.6"
+rocket_contrib = { version = "=0.4.5", features = ["json"] }
 rocket_i18n = { git = "https://github.com/Plume-org/rocket_i18n", rev = "e922afa7c366038b3433278c03b1456b346074f2" }
 rpassword = "4.0"
 scheduled-thread-pool = "0.2.2"
diff --git a/plume-common/Cargo.toml b/plume-common/Cargo.toml
index 6ddc51f1..0e5af2b3 100644
--- a/plume-common/Cargo.toml
+++ b/plume-common/Cargo.toml
@@ -14,7 +14,7 @@ heck = "0.3.0"
 hex = "0.3"
 hyper = "0.12.33"
 openssl = "0.10.22"
-rocket = "0.4.6"
+rocket = "=0.4.6"
 reqwest = { version = "0.9", features = ["socks"] }
 serde = "1.0"
 serde_derive = "1.0"
diff --git a/plume-models/Cargo.toml b/plume-models/Cargo.toml
index 6ce2100f..85d9cf88 100644
--- a/plume-models/Cargo.toml
+++ b/plume-models/Cargo.toml
@@ -15,7 +15,7 @@ lazy_static = "1.0"
 ldap3 = "0.7.1"
 migrations_internals= "1.4.0"
 openssl = "0.10.22"
-rocket = "0.4.6"
+rocket = "=0.4.6"
 rocket_i18n = { git = "https://github.com/Plume-org/rocket_i18n", rev = "e922afa7c366038b3433278c03b1456b346074f2" }
 reqwest = "0.9"
 scheduled-thread-pool = "0.2.2"