diff --git a/libsass-3.5.1.tar.gz b/libsass-3.5.1.tar.gz
deleted file mode 100644
index 2a958cb..0000000
--- a/libsass-3.5.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:08e7f91be37bc4846ecbea1796db92198a52ed05640fd4c3a29fb74c9f86c563
-size 325402
diff --git a/libsass-3.5.3.tar.gz b/libsass-3.5.3.tar.gz
new file mode 100644
index 0000000..6c84adf
--- /dev/null
+++ b/libsass-3.5.3.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f19fd5ce1c4209b9f3e2f6764e1e6c40194bf2e854865341f3c94d0d95c0cdd1
+size 327866
diff --git a/libsass.changes b/libsass.changes
index 5422840..0b9b6c5 100644
--- a/libsass.changes
+++ b/libsass.changes
@@ -1,3 +1,47 @@
+-------------------------------------------------------------------
+Mon Apr 23 18:57:47 UTC 2018 - gutaper@gmail.com
+
+- Update version to 3.5.3:
+
+  Community:
+
+  * Add nim-sass to implementations list (@zacharycarter, #2592)
+  * Add Haskell bindings to implementations list (@jakubfijalkowski, #2612)
+  * Add SharpScss and LibSassHost bindings to implementations list (@tompazourek, #2623)
+  * Update node-sass link in implementations list (@xzyfer, b866ad5)
+  * Update Unicode doc after forcing UTF8/plain ASCII (@mgreter, #2596)
+  * Update compatibility section of the read me (@xzyfer, 9266d26)
+
+  Features:
+
+  * Update sass2scss@v1.1.2 (@mgreter, #2602)
+  * Emit transparent colours as rgba(0, 0, 0, 0) (@xzyfer, #2298)
+  * Add a sass_option_push_import_extension C-API (@xzyfer, #1964)
+
+  Fixes:
+
+  * Fix output/error for modulo zero operation (@mgreter, #2593)
+  * Fix automake build if sassc is missing (@mgreter, #2601)
+  * Fix handling of colours in @at directives (@mgreter, #2360)
+  * Fix edge case converting achromatic colors to HSL (@mgreter, #2604)
+  * Fix evaluation of arithmetic inside interpolation (@mgreter, #2203)
+  * Fix handling of @important in custom properties (@xzyfer, #2590)
+  * Fix duplicate definition of out_of_memory macro (@thatguystone, #2619)
+  * Fix merging of nested media queries with negation (@xzyfer, #2425)
+  * Fix regression in parsing selector with trailing escaped colon (@xzyfer, #2625)
+  * Fix segfault on empty custom properties (@xzyfer, sass/sassc#225)
+
+- Includes changes from 3.5.1:
+
+  Features:
+
+  * Implement more detailed backtraces (@mgreter, #2573)
+
+  Fixes:
+
+  * Fix parsing of block comments to ignore css string rules (@mgreter, #1294)
+  * Fix win UNC path handling for dot and dotdot directories (@mgreter, #2588)
+
 -------------------------------------------------------------------
 Fri Mar 16 13:56:39 UTC 2018 - gutaper@gmail.com
 
diff --git a/libsass.spec b/libsass.spec
index e25e9e5..f5c080a 100644
--- a/libsass.spec
+++ b/libsass.spec
@@ -16,9 +16,9 @@
 #
 
 
-%define libname libsass-3_5_1-1
+%define libname libsass-3_5_3-1
 Name:           libsass
-Version:        3.5.1
+Version:        3.5.3
 Release:        0
 Summary:        Compiler library for A CSS preprocessor language
 License:        MIT