diff --git a/system/devel/flex/pspec.xml b/system/devel/flex/pspec.xml
index 05e65424..eccfb620 100644
--- a/system/devel/flex/pspec.xml
+++ b/system/devel/flex/pspec.xml
@@ -15,6 +15,7 @@
         <Archive sha1sum="cfe10b5de4893ced356adc437e78018e715818c3" type="targz">mirrors://sourceforge/flex/flex-2.6.0.tar.gz</Archive>
         <BuildDependencies>
             <Dependency>patch</Dependency>
+            <Dependency>texinfo</Dependency>
         </BuildDependencies>
         <Patches>
             <Patch level="1">flex-2.5.37-notex.patch</Patch>