diff --git a/wayland-commons/Cargo.toml b/wayland-commons/Cargo.toml
index dc58c8252c0..b1951722aa6 100644
--- a/wayland-commons/Cargo.toml
+++ b/wayland-commons/Cargo.toml
@@ -14,5 +14,5 @@ readme = "README.md"
 [dependencies]
 wayland-sys = { version = "0.28.3", path = "../wayland-sys" }
 nix = "0.19"
-once_cell = "1.0"
+once_cell = "1.1"
 smallvec = "1"
diff --git a/wayland-cursor/Cargo.toml b/wayland-cursor/Cargo.toml
index 8735c7be81e..27b78bf3ec8 100644
--- a/wayland-cursor/Cargo.toml
+++ b/wayland-cursor/Cargo.toml
@@ -13,5 +13,5 @@ readme = "README.md"
 
 [dependencies]
 wayland-client = { version = "0.28.3", path = "../wayland-client" }
-xcursor = "0.3"
+xcursor = "0.3.1"
 nix = "0.19.0"
diff --git a/wayland-scanner/Cargo.toml b/wayland-scanner/Cargo.toml
index 8056f84e11a..df3ac42bf27 100644
--- a/wayland-scanner/Cargo.toml
+++ b/wayland-scanner/Cargo.toml
@@ -12,6 +12,6 @@ edition = "2018"
 readme = "README.md"
 
 [dependencies]
-proc-macro2 = "1.0"
+proc-macro2 = "1.0.11"
 quote = "1.0"
 xml-rs = ">=0.7, <0.9"
diff --git a/wayland-server/Cargo.toml b/wayland-server/Cargo.toml
index 5f3abb0f812..090d1e5648f 100644
--- a/wayland-server/Cargo.toml
+++ b/wayland-server/Cargo.toml
@@ -16,10 +16,10 @@ readme = "README.md"
 wayland-commons = { version = "0.28.3", path = "../wayland-commons" }
 wayland-sys = { version = "0.28.3", path = "../wayland-sys" }
 bitflags = "1.0"
-downcast-rs = "1.0"
+downcast-rs = "1.0.4"
 libc = "0.2"
 nix = "0.19"
-lazy_static = { version = "1.0", optional = true }
+lazy_static = { version = "1.0.2", optional = true }
 parking_lot = { version = "0.11", optional = true }
 scoped-tls = { version = "1.0", optional = true }
 
diff --git a/wayland-sys/Cargo.toml b/wayland-sys/Cargo.toml
index 894be381e65..20e222d13db 100644
--- a/wayland-sys/Cargo.toml
+++ b/wayland-sys/Cargo.toml
@@ -13,10 +13,10 @@ readme = "README.md"
 [dependencies]
 dlib = { version = "0.4", optional = true }
 libc = { version = "0.2", optional = true }
-lazy_static = { version = "1", optional = true }
+lazy_static = { version = "1.0.2", optional = true }
 
 [build-dependencies]
-pkg-config = "0.3"
+pkg-config = "0.3.7"
 
 [features]
 dlopen = ["dlib/dlopen", "lazy_static"]