diff --git a/gcc-4.8/meta.yaml b/gcc-4.8/meta.yaml
index 7e6c22dc5..fc27d0b0b 100644
--- a/gcc-4.8/meta.yaml
+++ b/gcc-4.8/meta.yaml
@@ -9,7 +9,7 @@ source:
 
 build:
   detect_binary_files_with_prefix: true # [not linux32]
-  number: 3
+  number: 4
 
 requirements:
   build:
@@ -17,14 +17,14 @@ requirements:
     - gmp >=4.3.2
     - mpfr >=2.4.2
     - mpc >=0.8.1
-    - isl
+    - isl >=0.10,<=0.14
     - cloog 0.18.0
     # Do not make gcc a build dependency (you will need to add it to the PATH manually)
   run:
-    - gmp >=4.2
-    - mpfr >=2.4.0
-    - mpc >=0.8.0
-    - isl
+    - gmp >=4.3.2
+    - mpfr >=2.4.2
+    - mpc >=0.8.1
+    - isl >=0.10,<=0.14
     - cloog 0.18.0
 
 test: