diff --git a/giac.changes b/giac.changes
index 233c40a..56cd4f4 100644
--- a/giac.changes
+++ b/giac.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Fri Oct 20 00:07:00 UTC 2017 - avvissu@yandex.by
+
+- Update to 1.4.9:
+  * Python compatibility mode
+  * User manual corrected
+- Change in 1.2.3:
+  * Some speedups and bug fixes
+
 -------------------------------------------------------------------
 Fri Jul 15 23:40:29 UTC 2016 - avvissu@yandex.by
 
diff --git a/giac.spec b/giac.spec
index acb9a8d..6392bd9 100644
--- a/giac.spec
+++ b/giac.spec
@@ -19,7 +19,7 @@
 %define soname 0
 %bcond_with cocoa
 Name:           giac
-Version:        1.2.2
+Version:        1.4.9
 Release:        0
 Summary:        Computer algebra system
 License:        GPL-3.0+
@@ -104,7 +104,7 @@ usage of %{name}.
 %lang_package
 
 %prep
-%setup -q
+%setup -q -n %{name}-%{version}
 
 # remove all hidden files
 find . -type f -iname '.*' -exec rm -f {} \;
diff --git a/giac_stable.tgz b/giac_stable.tgz
index 92f3ce5..5f19948 100644
--- a/giac_stable.tgz
+++ b/giac_stable.tgz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:fcfb511b2f8743c34354f79ad118e2fbabcf9ba5826ed6bf350273a3dc7a0e4c
-size 48813975
+oid sha256:f5ebf3ea36d42b1a352a1127848bcf0e65855140c9f8cb8387568992292d629f
+size 52889219