diff --git a/README.md b/README.md
index cc34052ba2f246dc5ba2b47ac31a700ffd0237fb..4cfacfbfd9541e3a8160c86146b771381e7d1ab4 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,9 @@ The ska-tango-base repository includes a set of eight classes as mentioned in SK
 
 ## Version History
 
+#### Not released yet
+- Make dependency on `pytango` and `numpy` python packages explicit.
+
 #### 0.10.0
 - Add `DebugDevice` command to `SKABaseDevice`.  This allows remote debugging to be
   enabled on all devices.  It cannot be disabled without restarting the process.
diff --git a/setup.py b/setup.py
index a4fb47cb92b9249d832b3cb59c4b5ceb4d1365cc..ac43af8fb3b1694c1d773babd6bc92ec8db9b762 100644
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,13 @@ setuptools.setup(
     ],
     platforms=["OS Independent"],
     setup_requires=[] + pytest_runner,
-    install_requires=["debugpy", "transitions", "ska_ser_logging"],
+    install_requires=[
+        "debugpy",
+        "numpy",
+        "pytango",
+        "ska_ser_logging",
+        "transitions",
+    ],
     tests_require=["pytest", "coverage", "pytest-json-report", "pytest-forked"],
     entry_points={
         "console_scripts": [