diff --git a/hdf4/meta.yaml b/hdf4/meta.yaml
index eb926c7..ad8387c 100644
--- a/hdf4/meta.yaml
+++ b/hdf4/meta.yaml
@@ -5,11 +5,12 @@ package:
 source:
   fn: hdf-4.2.12.tar.bz2
   url: http://www.hdfgroup.org/ftp/HDF/HDF_Current/src/hdf-4.2.12.tar.gz
-  md5: 79fd1454c899c05e34a3da0456ab0c1c
+  sha256: 2d224a57a711d853d71b92ef0875d295b410454b005144ebd3dd4b3d4c811208
   patches:
     - 0001-Win32-Disable-test_longfilename-due-to-MAX_PATH.patch
 
 build:
+  number: 1
   features:
     - vc9                 [win and py27]
     - vc10                [win and py34]
@@ -21,11 +22,11 @@ requirements:
     - vc 10               [win and py34]
     - vc 14               [win and (py35 or py36)]
     - cmake               [win]
-    - jpeg 8d
+    - jpeg 9b
     - openssl 1.0.2*      [unix]
     - zlib 1.2.*
   run:
-    - jpeg 8d
+    - jpeg 9*
     - openssl 1.0.2*      [unix]
     - zlib 1.2.*