diff --git a/win32/installer/hexchat.iss.tt b/win32/installer/hexchat.iss.tt
index ab512bd5..119c12e5 100644
--- a/win32/installer/hexchat.iss.tt
+++ b/win32/installer/hexchat.iss.tt
@@ -291,14 +291,14 @@ begin
 		REDIST := 'https://dl.hexchat.net/misc/vcredist_2015_x64.exe';
 		REDIST_2013 := 'https://dl.hexchat.net/misc/vcredist_2013_x64.exe';
 		PERL := 'https://dl.hexchat.net/misc/perl/Perl%205.20.0%20x64.msi';
-		PY2 := 'https://python.org/ftp/python/2.7.10/python-2.7.10.amd64.msi';
-		PY3 := 'https://python.org/ftp/python/3.5.1/python-3.5.1-amd64.exe';
+		PY2 := 'https://www.python.org/ftp/python/2.7.12/python-2.7.12.amd64.msi';
+		PY3 := 'https://www.python.org/ftp/python/3.5.2/python-3.5.2-amd64.exe';
 #else
 		REDIST := 'https://dl.hexchat.net/misc/vcredist_2015_x86.exe';
 		REDIST_2013 := 'https://dl.hexchat.net/misc/vcredist_2013_x86.exe';
 		PERL := 'https://dl.hexchat.net/misc/perl/Perl%205.20.0%20x86.msi';
-		PY2 := 'https://python.org/ftp/python/2.7.10/python-2.7.10.msi';
-		PY3 := 'https://python.org/ftp/python/3.5.1/python-3.5.1.exe';
+		PY2 := 'https://www.python.org/ftp/python/2.7.12/python-2.7.12.msi';
+		PY3 := 'https://www.python.org/ftp/python/3.5.2/python-3.5.2.exe';
 #endif
 		DOTNET := 'https://dl.hexchat.net/misc/dotnet_40.exe';
 		SPELL := 'https://dl.hexchat.net/hexchat/HexChat%20Spelling%20Dictionaries%20r2.exe';