diff --git a/Cargo.toml b/Cargo.toml
index 0046fd5..bcbbaca 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -57,7 +57,7 @@ fitsio = { version = "0.20.0", optional = true }
 fitsio-sys = { version = "0.4.0", optional = true }
 
 # "mwalib" feature
-mwalib = { version = "1.3.3", optional = true }
+mwalib = { version = "1.5.0", optional = true }
 
 # "ms" feature
 flate2 = { version = "1.0.13", optional = true }