diff --git a/pyproject.toml b/pyproject.toml
index 84098cb408..99f8b2dc47 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ pytest = "*"
 pyyaml = "*"
 pydocstyle = "*"
 sphinx-rtd-theme = "*"
-toml = "*"
+tomli = "*"
 yamllint = "*"
 "ruamel.yaml" = "*"
 mkdocs = "1.6.0"
diff --git a/tasks.py b/tasks.py
index 6a2f74331f..dab2c1491c 100644
--- a/tasks.py
+++ b/tasks.py
@@ -5,9 +5,9 @@
 from invoke import task
 
 try:
-    import toml
+    import tomli
 except ImportError:
-    sys.exit("Please make sure to `pip install toml` or enable the Poetry shell and run `poetry install`.")
+    sys.exit("Please make sure to `pip install tomli` or enable the Poetry shell and run `poetry install`.")
 
 
 def strtobool(val: str) -> bool:
@@ -49,7 +49,8 @@ def is_truthy(arg):
     return bool(strtobool(arg))
 
 
-PYPROJECT_CONFIG = toml.load("pyproject.toml")
+with open("pyproject.toml", "rb") as fd:
+    PYPROJECT_CONFIG = tomli.load(fd)
 TOOL_CONFIG = PYPROJECT_CONFIG["tool"]["poetry"]
 
 # Can be set to a separate Python version to be used for launching or building image