diff --git a/.travis.yml b/.travis.yml
index a494d9e..ef31cbc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,8 +4,10 @@ sudo: enabled
 notifications:
     email: false
 python:
-  - "2.7"
   - "3.5"
+  - "3.6"
+  - "3.7"
+  - "3.8"
 
 before_install:
   # install libvmi dependencies
diff --git a/libvmi/libvmi_build.py b/libvmi/libvmi_build.py
index 86350fe..5aed72b 100755
--- a/libvmi/libvmi_build.py
+++ b/libvmi/libvmi_build.py
@@ -19,7 +19,8 @@
 VMI_SOURCES = [
     '<libvmi/libvmi.h>',
     '<libvmi/slat.h>',
-    '<libvmi/libvmi_extra.h>'
+    '<libvmi/libvmi_extra.h>',
+    '<glib.h>'
 ]
 
 
@@ -73,7 +74,6 @@ def check_header(header):
     CDEF_HEADERS.append('events_cdef.h')
 
 c_header_source = '\n'.join(['#include '+source for source in VMI_SOURCES])
-print(c_header_source)
 
 # set source
 ffi.set_source("_libvmi", c_header_source,