diff --git a/Cargo.toml b/Cargo.toml
index 57f233ce2..7d0e57261 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,30 +17,30 @@ name = "pnmixer-rs"
 path = "src/bin.rs"
 
 [dependencies]
-alsa = "^0.1.10"
-alsa-sys = "^0.1.1"
-error-chain = "^0.10.0"
-ffi = "^0.0.2"
-flexi_logger = "^0.6.8"
-gdk-pixbuf = "^0.2.0"
-gdk-pixbuf-sys = "^0.4.0"
-gdk-sys = "^0.4.0"
-gio = "^0.2.0"
-glib = "^0.3.1"
-glib-sys = "^0.4.0"
-gobject-sys = "^0.4.0"
-gtk-sys = "^0.4.0"
-lazy_static = "^0.2.8"
-libc = "^0.2.30"
+alsa = "0.1.10"
+alsa-sys = "0.1.1"
+error-chain = "0.11.0"
+ffi = "0.0.2"
+flexi_logger = "0.6.8"
+gdk-pixbuf = "0.2.0"
+gdk-pixbuf-sys = "0.4.0"
+gdk-sys = "0.4.0"
+gio = "0.2.0"
+glib = "0.3.1"
+glib-sys = "0.4.0"
+gobject-sys = "0.4.0"
+gtk-sys = "0.4.0"
+lazy_static = "0.2.8"
+libc = "0.2.31"
 libnotify = { version = "^1.0.2", optional = true }
-log = "^0.3.8"
-png = "^0.9.0"
-serde = "^1.0.11"
-serde_derive = "^1.0.11"
-toml = "^0.4.5"
-w_result = "^0.1.2"
-which = "^1.0.2"
-xdg = "^2.1.0"
+log = "0.3.8"
+png = "0.10.0"
+serde = "1.0.15"
+serde_derive = "1.0.15"
+toml = "0.4.5"
+w_result = "0.1.2"
+which = "1.0.2"
+xdg = "2.1.0"
 
 [dependencies.gdk]
 features = [
@@ -48,7 +48,7 @@ features = [
     "v3_12",
     "v3_22",
 ]
-version = "^0.6.0"
+version = "0.6.0"
 
 [dependencies.gtk]
 features = [
@@ -56,14 +56,14 @@ features = [
     "v3_12",
     "v3_22",
 ]
-version = "^0.2.0"
+version = "0.2.0"
 
 [dependencies.x11]
 features = [
     "xlib",
     "xtst",
 ]
-version = "^2.15.0"
+version = "2.15.0"
 
 [features]
 notify = ["libnotify"]