diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 7bf0fb0d..cacd01d9 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 2.5.3
+current_version = 2.5.4
 
 [bumpversion:file:.env]
 
diff --git a/.env b/.env
index f4e91d25..41780780 100644
--- a/.env
+++ b/.env
@@ -11,7 +11,7 @@ fi
 
 export PROJECT_NAME=$OPEN_PROJECT_NAME
 export PROJECT_DIR="$PWD"
-export PROJECT_VERSION="2.5.3"
+export PROJECT_VERSION="2.5.4"
 
 if [ ! -d "venv" ]; then
      if ! hash pyvenv 2>/dev/null; then
diff --git a/ACKNOWLEDGEMENTS.md b/ACKNOWLEDGEMENTS.md
index 1c841458..fced93a8 100644
--- a/ACKNOWLEDGEMENTS.md
+++ b/ACKNOWLEDGEMENTS.md
@@ -50,6 +50,8 @@ Code Contributors
 - Christopher Goes (@GhostOfGoes)
 - Stanislav (@atmo)
 - Lordran (@xzycn)
+- Stephan Fitzpatrick (@knowsuchagency)
+
 
 Documenters
 ===================
@@ -81,6 +83,8 @@ Documenters
 - Chelsea Dole (@chelseadole)
 - Joshua Crowgey (@jcrowgey)
 - Antti Kaihola (@akaihola)
+- Simon Ince (@Simon-Ince)
+
 
 --------------------------------------------
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index efeefe0a..604482ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,9 @@ Ideally, within a virtual environment.
 
 Changelog
 =========
+### 2.5.4 hotfix - May 19, 2019
+- Fix issue #798 - Development runner `TypeError` when executing cli
+
 ### 2.5.3 hotfix - May 15, 2019
 - Fixed issue #794 - Restore support for versions of Marshmallow pre-2.17.0
 
diff --git a/documentation/TYPE_ANNOTATIONS.md b/documentation/TYPE_ANNOTATIONS.md
index 1ee8b2d5..7db9393b 100644
--- a/documentation/TYPE_ANNOTATIONS.md
+++ b/documentation/TYPE_ANNOTATIONS.md
@@ -92,7 +92,7 @@ Here is a simple example of an API that does datetime addition.
 
 
     @hug.get('/dateadd', examples="value=1973-04-10&addend=63")
-    def dateadd(value: fields.DateTime(),
+    def dateadd(value: fields.Date(),
                 addend: fields.Int(validate=Range(min=1))):
         """Add a value to a date."""
         delta = dt.timedelta(days=addend)
diff --git a/hug/_version.py b/hug/_version.py
index dc9384a5..8f9fe1d0 100644
--- a/hug/_version.py
+++ b/hug/_version.py
@@ -21,4 +21,4 @@
 """
 from __future__ import absolute_import
 
-current = "2.5.3"
+current = "2.5.4"
diff --git a/hug/development_runner.py b/hug/development_runner.py
index aae06fde..196f0713 100644
--- a/hug/development_runner.py
+++ b/hug/development_runner.py
@@ -77,7 +77,7 @@ def hug(
             sys.exit(1)
 
         use_cli_router = slice(
-            start=(sys.argv.index("-c") if "-c" in sys.argv else sys.argv.index("--command")) + 2
+            sys.argv.index("-c") if "-c" in sys.argv else sys.argv.index("--command") + 2
         )
         sys.argv[1:] = sys.argv[use_cli_router]
         api.cli.commands[command]()
diff --git a/setup.py b/setup.py
index 975b7577..a88874a6 100755
--- a/setup.py
+++ b/setup.py
@@ -78,7 +78,7 @@ def list_modules(dirname):
 
 setup(
     name="hug",
-    version="2.5.3",
+    version="2.5.4",
     description="A Python framework that makes developing APIs "
     "as simple as possible, but no simpler.",
     long_description=long_description,