diff --git a/ci/travis/before_install.sh b/ci/travis/before_install.sh
index 87db62cf6a320c130d040bea1d1be9483a2d5182..bcdac1c0bdbf73c7801968b01873d8acab63999f 100755
--- a/ci/travis/before_install.sh
+++ b/ci/travis/before_install.sh
@@ -57,7 +57,7 @@ then
 
     cd $HOME
 
-    wget http://downloads.sourceforge.net/project/pyqt/sip/sip-4.17/sip-4.17.tar.gz
+    wget http://ufpr.dl..sourceforge.net/project/pyqt/sip/sip-4.17/sip-4.17.tar.gz
     file sip-4.17.tar.gz
     gzip -t sip-4.17.tar.gz
     tar xzf sip-4.17.tar.gz
@@ -69,7 +69,7 @@ then
 
     cd $HOME
 
-    wget http://downloads.sourceforge.net/project/pyqt/PyQt5/PyQt-5.5.1/PyQt-gpl-5.5.1.tar.gz
+    wget http://ufpr.dl..sourceforge.net/project/pyqt/PyQt5/PyQt-5.5.1/PyQt-gpl-5.5.1.tar.gz
     file PyQt-gpl-5.5.1.tar.gz
     gzip -t PyQt-gpl-5.5.1.tar.gz
     tar xzf PyQt-gpl-5.5.1.tar.gz