diff --git a/.travis.yml b/.travis.yml
index 2e47b6d..0cfae7a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -42,6 +42,14 @@ matrix:
         - cd python && pip install -r dev-requirements.txt && ./local_build.sh && cd test && pip install -r requirements.txt
       script:
         - pytest -vv -s
+    - language: python
+      os: linux
+      python:
+        - "3.9"
+      install:
+        - cd python && pip install -r dev-requirements.txt && ./local_build.sh && cd test && pip install -r requirements.txt
+      script:
+        - pytest -vv -s
 
     # Ruby
     - language: ruby
@@ -188,5 +196,17 @@ matrix:
         - "3.8"
       install:
         - cd python && pip install -r dev-requirements.txt && ./local_build.sh && cd test && pip install -r requirements.txt
+      script:
+        - "rm -Rf test_correctness.py && valgrind --log-fd=1 pytest -vv -s | grep 'definitely lost: 0 byte'"
+    - language: python
+      name: 'Memory leaks Python 3.9'
+      os: linux
+      before_install:
+        - sudo apt-get update
+        - sudo apt-get install -y valgrind
+      python:
+        - "3.9"
+      install:
+        - cd python && pip install -r dev-requirements.txt && ./local_build.sh && cd test && pip install -r requirements.txt
       script:
         - "rm -Rf test_correctness.py && valgrind --log-fd=1 pytest -vv -s | grep 'definitely lost: 0 byte'"
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