diff --git a/HISTORY.md b/HISTORY.md
index 5ee3c8e..4f87fb5 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,15 @@
+### Version 1.5.0
+
+#### New features
+
+* [feat(markers)](https://github.com/MODFLOW-USGS/modflow-devtools/commit/1f358de2bc721c1000c3d0823b9440776432e3b0): Add no_parallel marker, support differing pkg/module names (#148). Committed by wpbonelli on 2024-04-12.
+* [feat(snapshots)](https://github.com/MODFLOW-USGS/modflow-devtools/commit/c9e445dd1544413f3729c7a78c2a77038db80050): Add snapshot fixtures, remove pandas fixture (#151). Committed by wpbonelli on 2024-05-13.
+
+#### Refactoring
+
+* [refactor(latex)](https://github.com/MODFLOW-USGS/modflow-devtools/commit/827b5ec63ebe0b9ea833957637d6b60fdc2f3198): Support path-like, add docstrings (#142). Committed by wpbonelli on 2024-02-25.
+* [refactor(snapshots)](https://github.com/MODFLOW-USGS/modflow-devtools/commit/d96089e512fbb79408e4fb58c89ee63da60dc727): Move to separate module (#152). Committed by wpbonelli on 2024-05-13.
+
 ### Version 1.4.0
 
 #### New features
diff --git a/autotest/test_snapshots.py b/autotest/test_snapshots.py
index 04cabc9..0c81aba 100644
--- a/autotest/test_snapshots.py
+++ b/autotest/test_snapshots.py
@@ -5,7 +5,7 @@
 
 proj_root = Path(__file__).parents[1]
 module_path = Path(inspect.getmodulename(__file__))
-pytest_plugins = [ "modflow_devtools.snapshots" ]  # activate snapshot fixtures
+pytest_plugins = ["modflow_devtools.snapshots"]  # activate snapshot fixtures
 snapshot_array = np.array([1.1, 2.2, 3.3])
 snapshots_path = proj_root / "autotest" / "__snapshots__"
 
diff --git a/docs/conf.py b/docs/conf.py
index 9fd38eb..e29d7e2 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -8,7 +8,7 @@
 
 project = "modflow-devtools"
 author = "MODFLOW Team"
-release = "1.5.0.dev0"
+release = "1.6.0.dev0"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/modflow_devtools/__init__.py b/modflow_devtools/__init__.py
index f8f2600..1a79d68 100644
--- a/modflow_devtools/__init__.py
+++ b/modflow_devtools/__init__.py
@@ -1,6 +1,6 @@
 __author__ = "Joseph D. Hughes"
-__date__ = "Feb 19, 2024"
-__version__ = "1.5.0.dev0"
+__date__ = "May 15, 2024"
+__version__ = "1.6.0.dev0"
 __maintainer__ = "Joseph D. Hughes"
 __email__ = "jdhughes@usgs.gov"
 __status__ = "Production"
diff --git a/version.txt b/version.txt
index 47ed95f..24e787f 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.5.0.dev0
\ No newline at end of file
+1.6.0.dev0
\ No newline at end of file