diff --git a/INSTALL b/INSTALL
index a4f2714..880bb20 100644
--- a/INSTALL
+++ b/INSTALL
@@ -11,14 +11,14 @@ $ make install
 You need GNU make. On HP-UX, you also need GNU sed.
 
 Known to work with:
-  - Linux/x86, gcc-2.95.x, gcc-3.[0-4]
-  - Linux/x86_64, gcc-3.[3-4]
-  - Linux/ia64, gcc-2.96, gcc-3.[2-3]
-  - Linux/arm, gcc-2.95.3, gcc-3.[0-3]
-  - Linux/mips, gcc-3.3
-  - Linux/sparc, gcc-2.95.3, gcc-3.[1-3]
-  - Linux/alpha, gcc-2.95.x, gcc-3.[0-3]
-  - Linux/powerpc, gcc-2.95.x, gcc-3.[0-3]
+  - Linux/x86, gcc-2.95.x, gcc-3.x, gcc-4.0.[0-2]
+  - Linux/x86_64, gcc-3.[3-4], gcc-4.0.[0-1]
+  - Linux/ia64, gcc-2.96, gcc-3.[2-3], gcc-4.0.[0-1]
+  - Linux/arm, gcc-2.95.3, gcc-3.[0-3], gcc-4.0.[0-1]
+  - Linux/mips, gcc-3.3, gcc-4.0.[0-1]
+  - Linux/sparc, gcc-2.95.3, gcc-3.[1-3], gcc-4.0.[0-1]
+  - Linux/alpha, gcc-2.95.x, gcc-3.[0-3], gcc-4.0.[0-1]
+  - Linux/powerpc, gcc-2.95.x, gcc-3.[0-3], gcc-4.0.[0-1]
   - Solaris 2.4 (sparc), gcc-2.95, gcc-3.[1-3]
   - OSF/1 V4.0 (alpha), gcc-2.95, gcc-3.1
   - Irix 6.5, gcc-2.95.x, gcc-3.0