diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 0a9314aa0..d74aac04b 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 4.1.18
+current_version = 4.1.19
 commit = False
 tag = False
 
diff --git a/dev/local/setup.cfg b/dev/local/setup.cfg
index d50ae49fc..dc2cf469e 100644
--- a/dev/local/setup.cfg
+++ b/dev/local/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = Delphi Development
-version = 4.1.18
+version = 4.1.19
 
 [options]
 packages =
diff --git a/requirements.api.txt b/requirements.api.txt
index 01026935f..dfaedc0ff 100644
--- a/requirements.api.txt
+++ b/requirements.api.txt
@@ -5,7 +5,7 @@ Flask-Limiter==3.3.0
 jinja2==3.1.3
 more_itertools==8.4.0
 mysqlclient==2.1.1
-orjson==3.4.7
+orjson==3.9.15
 pandas==1.2.3
 python-dotenv==0.15.0
 pyyaml
diff --git a/src/client/delphi_epidata.R b/src/client/delphi_epidata.R
index 30a7e08d0..7557a0b6b 100644
--- a/src/client/delphi_epidata.R
+++ b/src/client/delphi_epidata.R
@@ -15,7 +15,7 @@ Epidata <- (function() {
   # API base url
   BASE_URL <- getOption('epidata.url', default = 'https://api.delphi.cmu.edu/epidata/')
 
-  client_version <- '4.1.18'
+  client_version <- '4.1.19'
 
   auth <- getOption("epidata.auth", default = NA)
 
diff --git a/src/client/delphi_epidata.js b/src/client/delphi_epidata.js
index 6ae3ee072..c1ea03020 100644
--- a/src/client/delphi_epidata.js
+++ b/src/client/delphi_epidata.js
@@ -22,7 +22,7 @@
   }
 })(this, function (exports, fetchImpl, jQuery) {
   const BASE_URL = "https://api.delphi.cmu.edu/epidata/";
-  const client_version = "4.1.18";
+  const client_version = "4.1.19";
 
   // Helper function to cast values and/or ranges to strings
   function _listitem(value) {
diff --git a/src/client/packaging/npm/package.json b/src/client/packaging/npm/package.json
index b03e8635d..c67d69b89 100644
--- a/src/client/packaging/npm/package.json
+++ b/src/client/packaging/npm/package.json
@@ -2,7 +2,7 @@
   "name": "delphi_epidata",
   "description": "Delphi Epidata API Client",
   "authors": "Delphi Group",
-  "version": "4.1.18",
+  "version": "4.1.19",
   "license": "MIT",
   "homepage": "https://github.com/cmu-delphi/delphi-epidata",
   "bugs": {
diff --git a/src/client/packaging/pypi/delphi_epidata/__init__.py b/src/client/packaging/pypi/delphi_epidata/__init__.py
index 2c1819663..614660d38 100644
--- a/src/client/packaging/pypi/delphi_epidata/__init__.py
+++ b/src/client/packaging/pypi/delphi_epidata/__init__.py
@@ -1,4 +1,4 @@
 from .delphi_epidata import Epidata
 
 name = "delphi_epidata"
-__version__ = "4.1.18"
+__version__ = "4.1.19"
diff --git a/src/client/packaging/pypi/setup.py b/src/client/packaging/pypi/setup.py
index 238f30db3..c28e1dac7 100644
--- a/src/client/packaging/pypi/setup.py
+++ b/src/client/packaging/pypi/setup.py
@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="delphi_epidata",
-    version="4.1.18",
+    version="4.1.19",
     author="David Farrow",
     author_email="dfarrow0@gmail.com",
     description="A programmatic interface to Delphi's Epidata API.",
diff --git a/src/server/_config.py b/src/server/_config.py
index 56a0ecbfe..360af6704 100644
--- a/src/server/_config.py
+++ b/src/server/_config.py
@@ -7,7 +7,7 @@
 
 load_dotenv()
 
-VERSION = "4.1.18"
+VERSION = "4.1.19"
 
 MAX_RESULTS = int(10e6)
 MAX_COMPATIBILITY_RESULTS = int(3650)