diff --git a/docs/index.rst b/docs/index.rst
index 9435be6..dd5a12c 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -215,6 +215,13 @@ plugin and Python interpreter.
 
 .. versionadded:: 1.1.0
 
+.. versionchanged:: 1.5.0
+    Previously, :func:`pythonVersion` returned the compile-time version of
+    Python against which PyOtherSide was built. Starting with version 1.5.0,
+    the run-time version of Python is returned (e.g. PyOtherSide compiled
+    against Python 3.4.0 and running with Python 3.4.1 returned "3.4.0"
+    before, but returns "3.4.1" in PyOtherSide after and including 1.5.0).
+
 QML ``PyGLArea`` Element
 ------------------------
 
@@ -1355,6 +1362,7 @@ Version 1.5.0 (UNRELEASED)
 
 * Spport for `OpenGL rendering in Python`_ using PyOpenGL >= 3.1.0
 * New QML components: ``PyGLArea``, ``PyFBO``
+* :func:`pythonVersion` now returns the runtime Python version
 
 Version 1.4.0 (2015-02-19)
 --------------------------
diff --git a/src/qpython.cpp b/src/qpython.cpp
index e73a19b..830df58 100644
--- a/src/qpython.cpp
+++ b/src/qpython.cpp
@@ -365,6 +365,25 @@ QPython::pluginVersion()
 QString
 QPython::pythonVersion()
 {
+    if (SINCE_API_VERSION(1, 5)) {
+        ENSURE_GIL_STATE;
+
+        PyObjectRef version_info(PySys_GetObject("version_info"));
+        if (version_info && PyTuple_Check(version_info.borrow()) &&
+                PyTuple_Size(version_info.borrow()) >= 3) {
+
+            QStringList parts;
+            for (int i=0; i<3; i++) {
+                PyObjectRef part(PyTuple_GetItem(version_info.borrow(), i));
+                parts << convertPyObjectToQVariant(part.borrow()).toString();
+            }
+            return parts.join('.');
+        }
+
+        // Fallback to the compile-time version below
+        qWarning("Could not determine runtime Python version");
+    }
+
     return QString(PY_VERSION);
 }