diff --git a/HISTORY.rst b/HISTORY.rst
index 85dd35a..83b683e 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -2,7 +2,7 @@
 History
 =======
 
-1.0.0 (2019-03-xx)
+1.0.0 (2019-03-25)
 ------------------
 
 * Support file system path objects (PEP-519) in arguments
diff --git a/procrunner/__init__.py b/procrunner/__init__.py
index 947f09e..e3a1352 100644
--- a/procrunner/__init__.py
+++ b/procrunner/__init__.py
@@ -53,7 +53,7 @@
 
 __author__ = """Markus Gerstel"""
 __email__ = "scientificsoftware@diamond.ac.uk"
-__version__ = "0.9.1"
+__version__ = "1.0.0"
 
 logger = logging.getLogger("procrunner")
 logger.addHandler(logging.NullHandler())
diff --git a/setup.cfg b/setup.cfg
index e12a46b..f0603b9 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.9.1
+current_version = 1.0.0
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index 58d55b0..40b5d8d 100644
--- a/setup.py
+++ b/setup.py
@@ -56,6 +56,6 @@
     test_suite="tests",
     tests_require=test_requirements,
     url="https://github.com/DiamondLightSource/python-procrunner",
-    version="0.9.1",
+    version="1.0.0",
     zip_safe=False,
 )