diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index f01da77..2594972 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
       # Checkout either the PR or the branch
diff --git a/justfile b/justfile
index 2e4094c..1103645 100644
--- a/justfile
+++ b/justfile
@@ -1,12 +1,15 @@
 
 # Note: Windows stores virtual environment scripts under Scripts/ directory instead of bin/
+# and uses 'python'/'pip' instead of 'python3'/'pip3'
 venv_bin := if os_family() == "windows" { ".venv/Scripts" } else { ".venv/bin" }
+python := if os_family() == "windows" { "python" } else { "python3" }
+pip := if os_family() == "windows" { "pip" } else { "pip3" }
 
 # Install python virtual environment
 venv:
-    [ -d .venv ] || python3 -m venv .venv
-    {{venv_bin}}/pip3 install .
+    [ -d .venv ] || {{python}} -m venv .venv
+    {{venv_bin}}/{{pip}} install .
 
 # Run unit tests
 test:
-    {{venv_bin}}/python3 -m unittest -v
+    {{venv_bin}}/{{python}} -m unittest -v
diff --git a/pyproject.toml b/pyproject.toml
index c4815b9..bfac6b9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ write_to = "c8y_test_core/_version.py"
 name = "c8y_test_core"
 description = "Core test library for Cumulocity IoT"
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.10"
 keywords = ["CumulocityIoT", "testing"]
 license = {text = "MIT"}
 classifiers = [
@@ -22,9 +22,9 @@ classifiers = [
 dynamic = ["version"]
 dependencies = [
     "c8y-api >= 1.10, < 1.11",
-    "python-dotenv >= 1.0.0, < 1.1.0",
+    "python-dotenv >= 1.2.2, < 1.3.0",
     "pyyaml >= 6.0, < 7.0",
-    "requests >= 2.32.0, < 2.33.0",
+    "requests >= 2.33.0, < 2.34.0",
     "tenacity >= 8.1.0, < 8.2.0",
     "randomname >= 0.1.5, < 0.2.0",
 ]