diff -Nru poetry-core-1.0.0/debian/changelog poetry-core-1.0.0/debian/changelog
--- poetry-core-1.0.0/debian/changelog	2021-01-21 03:11:57.000000000 +0000
+++ poetry-core-1.0.0/debian/changelog	2021-05-11 22:22:59.000000000 +0000
@@ -1,3 +1,11 @@
+poetry-core (1.0.0-3) unstable; urgency=medium
+
+  [ Emmanuel Arias ]
+  * d/tests/control: add build-essentials package needed
+    for tests (Closes: #981533).
+
+ -- Sandro Tosi <morph@debian.org>  Tue, 11 May 2021 18:22:59 -0400
+
 poetry-core (1.0.0-2) unstable; urgency=medium
 
   * Team upload.
diff -Nru poetry-core-1.0.0/debian/tests/control poetry-core-1.0.0/debian/tests/control
--- poetry-core-1.0.0/debian/tests/control	2020-12-25 01:02:35.000000000 +0000
+++ poetry-core-1.0.0/debian/tests/control	2021-05-11 22:22:59.000000000 +0000
@@ -1,5 +1,6 @@
 Tests: pytest
 Depends:
+ build-essential,
  python3-pep517,
  python3-pytest,
  python3-pytest-mock,