diff --git a/Changes.txt b/Changes.txt
index aa081261..a6b30c06 100644
--- a/Changes.txt
+++ b/Changes.txt
@@ -2,6 +2,17 @@
 @page changes Changes
 
 
+## 1.1.5 December 30 2022
+
+- Added support for writing a workbook to a memory buffer instead of to a file
+  via the `output_buffer` parameter of @ref workbook_new_opt(). See also
+  @ref output_buffer.c.
+
+- Add support for using in-memory data instead of temporary files on systems where
+ `fmemopen()` and `open_memstream()` are supported. This requires the `USE_MEM_FILE`
+  compilation option.
+
+
 ## 1.1.4 October 9 2021
 
 - Added support for Worksheet tables. Tables in Excel are a way of grouping a
diff --git a/docs/src/getting_started.dox b/docs/src/getting_started.dox
index 1e3a897a..50d5fced 100644
--- a/docs/src/getting_started.dox
+++ b/docs/src/getting_started.dox
@@ -536,21 +536,21 @@ with larger CMake builds. In particular it enables building on Windows.
 
 The following are various compilation targets and options for both build systems:
 
-| Make                     | CMake                                      | Description                                           |
-| :----------------------- | :----------------------------------------- | :---------------------------------------------------- |
-| `examples`               | `-DBUILD_EXAMPLES=ON`                      | Build the example                                     |
-| `test`                   | `-DBUILD_TESTS=ON`                         | Build the tests                                       |
-| `USE_DTOA_LIBRARY=1`     | `-DUSE_DTOA_LIBRARY=ON`                    | Use alternative double in sprintf                     |
-| `USE_MEM_FILE=1`         | `-DUSE_MEM_FILE=ON`                        | Use fmemopen()/open_memstream() instead of temp files |
-| `USE_OPENSSL_MD5=1`      | `-DUSE_OPENSSL_MD5=ON`                     | Use OpenSSL for MD5 digest                            |
-| `USE_NO_MD5=1`           | `-DUSE_NO_MD5=ON`                          | Don't use a MD5 digest                                |
-| `USE_SYSTEM_MINIZIP=1`   | `-DUSE_SYSTEM_MINIZIP=ON`                  | Use system minzip library                             |
-| `USE_STANDARD_TMPFILE=1` | `-DUSE_STANDARD_TMPFILE=ON`                | Use system tmpfile() function                         |
-| `USE_BIG_ENDIAN=1`       | `-DUSE_BIG_ENDIAN=ON`                      | Build on big endian systems                           |
-| `universal_binary`       | `-DCMAKE_OSX_ARCHITECTURES="x86_64;arm64"` | Create a macOS "Universal Binary"                     |
-|                          | `-DBUILD_SHARED_LIBS=ON`                   | Build shared library (default on)                     |
-|                          | `-DUSE_STATIC_MSVC_RUNTIME=ON`             | Use static msvc runtime library                       |
-|                          | `-DCMAKE_BUILD_TYPE=Release`               | Set the build type.                                   |
+| Make                     | CMake                                      | Description                                               |
+| :----------------------- | :----------------------------------------- | :-------------------------------------------------------- |
+| `examples`               | `-DBUILD_EXAMPLES=ON`                      | Build the example                                         |
+| `test`                   | `-DBUILD_TESTS=ON`                         | Build the tests                                           |
+| `USE_DTOA_LIBRARY=1`     | `-DUSE_DTOA_LIBRARY=ON`                    | Use alternative double in sprintf                         |
+| `USE_MEM_FILE=1`         | `-DUSE_MEM_FILE=ON`                        | Use `fmemopen()`/`open_memstream()` instead of temp files |
+| `USE_OPENSSL_MD5=1`      | `-DUSE_OPENSSL_MD5=ON`                     | Use OpenSSL for MD5 digest                                |
+| `USE_NO_MD5=1`           | `-DUSE_NO_MD5=ON`                          | Don't use a MD5 digest                                    |
+| `USE_SYSTEM_MINIZIP=1`   | `-DUSE_SYSTEM_MINIZIP=ON`                  | Use system minzip library                                 |
+| `USE_STANDARD_TMPFILE=1` | `-DUSE_STANDARD_TMPFILE=ON`                | Use system `tmpfile()` function                           |
+| `USE_BIG_ENDIAN=1`       | `-DUSE_BIG_ENDIAN=ON`                      | Build on big endian systems                               |
+| `universal_binary`       | `-DCMAKE_OSX_ARCHITECTURES="x86_64;arm64"` | Create a macOS "Universal Binary"                         |
+|                          | `-DBUILD_SHARED_LIBS=ON`                   | Build shared library (default on)                         |
+|                          | `-DUSE_STATIC_MSVC_RUNTIME=ON`             | Use static msvc runtime library                           |
+|                          | `-DCMAKE_BUILD_TYPE=Release`               | Set the build type.                                       |
 
 
 The compilation options would be used as follows:
diff --git a/include/xlsxwriter.h b/include/xlsxwriter.h
index c3d593fd..702b08e9 100644
--- a/include/xlsxwriter.h
+++ b/include/xlsxwriter.h
@@ -18,8 +18,8 @@
 #include "xlsxwriter/format.h"
 #include "xlsxwriter/utility.h"
 
-#define LXW_VERSION "1.1.4"
-#define LXW_VERSION_ID 114
-#define LXW_SOVERSION "4"
+#define LXW_VERSION "1.1.5"
+#define LXW_VERSION_ID 115
+#define LXW_SOVERSION "5"
 
 #endif /* __LXW_XLSXWRITER_H__ */
diff --git a/include/xlsxwriter/workbook.h b/include/xlsxwriter/workbook.h
index 0a63b51e..7b1a59ee 100644
--- a/include/xlsxwriter/workbook.h
+++ b/include/xlsxwriter/workbook.h
@@ -414,6 +414,13 @@ lxw_workbook *workbook_new(const char *filename);
  *
  *   [zip64_wiki]: https://en.wikipedia.org/wiki/Zip_(file_format)#ZIP64
  *
+ * - `output_buffer`: Output to a memory buffer instead of a file. The buffer
+ *   must be freed manually by calling `free()`. This option can only be used if
+ *   filename is NULL.
+ *
+ * - `output_buffer_size`: Used with output_buffer to get the size of the
+ *   created buffer. This option can only be used if filename is `NULL`.
+ *
  * @note In `constant_memory` mode each row of in-memory data is written to
  * disk and then freed when a new row is started via one of the
  * `worksheet_write_*()` functions. Therefore, once this option is active data
diff --git a/libxlsxwriter.podspec b/libxlsxwriter.podspec
index 898d3932..ff9347c9 100644
--- a/libxlsxwriter.podspec
+++ b/libxlsxwriter.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name                  = "libxlsxwriter"
-  s.version               = "1.1.4"
+  s.version               = "1.1.5"
   s.summary               = "Libxlsxwriter: A C library for creating Excel XLSX files."
   s.ios.deployment_target = "8.0"
   s.osx.deployment_target = "10.8"