diff --git a/.gitignore b/.gitignore
index 76f37fa..6064e68 100644
--- a/.gitignore
+++ b/.gitignore
@@ -207,3 +207,7 @@
 /ibus-typing-booster-2.15.5.tar.gz
 /ibus-typing-booster-2.15.6.tar.gz
 /ibus-typing-booster-2.15.7.tar.gz
+/ibus-typing-booster-2.15.8.tar.gz
+/ibus-typing-booster-2.15.9.tar.gz
+/ibus-typing-booster-2.15.10.tar.gz
+/ibus-typing-booster-2.15.11.tar.gz
diff --git a/ibus-typing-booster.spec b/ibus-typing-booster.spec
index 16806b4..7e9d683 100644
--- a/ibus-typing-booster.spec
+++ b/ibus-typing-booster.spec
@@ -1,5 +1,5 @@
 Name:       ibus-typing-booster
-Version:    2.15.7
+Version:    2.15.11
 Release:    1%{?dist}
 Summary:    A completion input method
 License:    GPLv3+ and ASL 2.0
@@ -48,6 +48,9 @@ BuildRequires:  python34-devel
 BuildRequires:  m17n-lib
 BuildRequires:  m17n-db-extras
 BuildRequires:  python3-enchant
+BuildRequires:  enchant2
+BuildRequires:  enchant2-aspell
+BuildRequires:  aspell-en
 # because of “from packing import version”:
 BuildRequires:   python3-packaging
 %if 0%{?fedora} >= 35
@@ -248,6 +251,13 @@ fi
 %{_datadir}/applications/emoji-picker.desktop
 
 %changelog
+* Tue Nov 23 2021 Mike FABIAN <mfabian@redhat.com> - 2.15.11-1
+- Update to 2.15.11
+- Use @functools.lru_cache(maxsize=None) decorator for remove_accents()
+  (Makes everything 30%-40% faster)
+- Add sorting option to tabstatistics
+- add enchant2 and enchant2-aspell to BuildRequires:
+
 * Tue Nov 23 2021 Mike FABIAN <mfabian@redhat.com> - 2.15.7-1
 - Update to 2.15.7
 - Convert user database context to lower case and accents removed
diff --git a/sources b/sources
index 6a432c1..5d3eb3d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (ibus-typing-booster-2.15.7.tar.gz) = 012e0ea8adf4f1f6ee02df05a306c0efd30cc6dd83b09496319390aa48a700a089e52d0ca46a6f3e077e39e4903b77e5c34715d33e7bf724d03c682c53bcb5e5
+SHA512 (ibus-typing-booster-2.15.11.tar.gz) = 38e74e6b95bff13f7b166158c145aa9d2180ba70380dad428fce322535b959cd3b8980ed499c2aec4a9701f1398b4ce793b99ce0af30c1eb2ce015bd35b990a7