diff --git a/requirements.txt b/requirements.txt
index fcec27e282e..963bea20363 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ PrettyTable>=0.7.2
 Jinja2>=2.7.3
 IntelHex>=1.3
 project-generator>=0.9.7,<0.10.0
-project_generator_definitions>=0.2.26,<0.3.0
+project-generator-definitions>=0.2.26,<0.3.0
 junit-xml
 pyYAML
 requests
diff --git a/setup.py b/setup.py
index c27a2a8b0eb..42d6dcb9fce 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@
       url='https://github.com/mbedmicro/mbed',
       packages=find_packages(),
       license=LICENSE,
-      install_requires=["PrettyTable>=0.7.2", "PySerial>=2.7", "IntelHex>=1.3", "colorama>=0.3.3", "Jinja2>=2.7.3", "project-generator>=0.9.3,<0.10.0", "project_generator_definitions>=0.2.26,<0.3.0", "junit-xml", "requests", "pyYAML"])
+      install_requires=["PrettyTable>=0.7.2", "PySerial>=2.7", "IntelHex>=1.3", "colorama>=0.3.3", "Jinja2>=2.7.3", "project-generator>=0.9.3,<0.10.0", "project-generator-definitions>=0.2.26,<0.3.0", "junit-xml", "requests", "pyYAML"])
 
 # Restore previous mbed_settings if needed
 if backup: