diff -Nur spamprobe~/src/parser/GifParser.cc spamprobe/src/parser/GifParser.cc
--- spamprobe~/src/parser/GifParser.cc
+++ spamprobe/src/parser/GifParser.cc
@@ -81,7 +81,11 @@
 GifParser::~GifParser()
 {
   if (m_gif) {
+#if defined(GIFLIB_MAJOR) && GIFLIB_MAJOR >= 5
+    DGifCloseFile(m_gif, NULL);
+#else
     DGifCloseFile(m_gif);
+#endif
   }
 }
 
@@ -99,7 +103,11 @@
 void GifParser::openImage()
 {
   m_nextByteIndex = 0;
+#if defined(GIFLIB_MAJOR) && GIFLIB_MAJOR >= 5
+  m_gif = DGifOpen(this, readFromBuffer, NULL);
+#else
   m_gif = DGifOpen(this, readFromBuffer);
+#endif
   if (!m_gif) {
     throw runtime_error("open gif failed");
   }