diff --git a/pyodbc-4.0.25.tar.gz b/pyodbc-4.0.25.tar.gz
deleted file mode 100644
index 1c34212..0000000
--- a/pyodbc-4.0.25.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0ea8c8ed37c9abf8eb411e5148409a4cb05e0da2c03a694a07b17011d0ca7cad
-size 218356
diff --git a/pyodbc-4.0.26.tar.gz b/pyodbc-4.0.26.tar.gz
new file mode 100644
index 0000000..5faf4f5
--- /dev/null
+++ b/pyodbc-4.0.26.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e52700b5d24a846483b5ab80acd9153f8e593999c9184ffea11596288fb33de3
+size 219802
diff --git a/python-pyodbc.changes b/python-pyodbc.changes
index ec84680..c0b55d6 100644
--- a/python-pyodbc.changes
+++ b/python-pyodbc.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sun Mar 10 16:04:24 UTC 2019 - Dirk Hartmann <monex@liquid-co.de>
+
+- Update to version 4.0.26:
+  * Issue #506 uncovered a potentially serious error where 
+    Unicode strings may not get a NULL terminator when being converted.
+  * Issue #504 was a double decref in the error return path of executemany.
+  
+
 -------------------------------------------------------------------
 Wed Jan 30 19:32:36 UTC 2019 - Dirk Hartmann <monex@liquid-co.de>
 
diff --git a/python-pyodbc.spec b/python-pyodbc.spec
index aae20fe..faef815 100644
--- a/python-pyodbc.spec
+++ b/python-pyodbc.spec
@@ -18,7 +18,7 @@
 
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-pyodbc
-Version:        4.0.25
+Version:        4.0.26
 Release:        0
 Summary:        Python ODBC API
 License:        MIT