diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 38c276d9..db15a01b 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -15,7 +15,7 @@ source:
     - dap.path  # [win]
 
 build:
-  number: 4
+  number: 5
   features:
     - vc9  # [win and py27]
     - vc10  # [win and py34]
@@ -30,7 +30,7 @@ requirements:
     - curl
     - zlib 1.2.*
     - hdf4
-    - hdf5 1.8.17|1.8.17.*
+    - hdf5 1.8.18|1.8.18.*
     - vc 9  # [win and py27]
     - vc 10  # [win and py34]
     - vc 14  # [win and py35]
@@ -38,7 +38,7 @@ requirements:
     - curl
     - zlib 1.2.*
     - hdf4
-    - hdf5 1.8.17|1.8.17.*
+    - hdf5 1.8.18|1.8.18.*
     - vc 9  # [win and py27]
     - vc 10  # [win and py34]
     - vc 14  # [win and py35]