diff -Nru ruby2.7-2.7.4/debian/changelog ruby2.7-2.7.4/debian/changelog
--- ruby2.7-2.7.4/debian/changelog	2021-09-16 12:47:13.000000000 +0200
+++ ruby2.7-2.7.4/debian/changelog	2021-10-27 15:55:28.000000000 +0200
@@ -1,3 +1,9 @@
+ruby2.7 (2.7.4-1ubuntu4) jammy; urgency=medium
+
+  * Add gcc-10 as a dependency of ruby2.7-dev on ppc64el (LP: #1948950)
+
+ -- Simon Chopin <simon.chopin@canonical.com>  Wed, 27 Oct 2021 15:55:28 +0200
+
 ruby2.7 (2.7.4-1ubuntu3) impish; urgency=medium
 
   * Build using GCC 10 on ppc64el. See LP #1943823.
diff -Nru ruby2.7-2.7.4/debian/control ruby2.7-2.7.4/debian/control
--- ruby2.7-2.7.4/debian/control	2021-09-16 12:47:13.000000000 +0200
+++ ruby2.7-2.7.4/debian/control	2021-10-27 15:55:28.000000000 +0200
@@ -77,6 +77,7 @@
 Architecture: any
 Depends: libgmp-dev,
          libruby2.7 (= ${binary:Version}),
+         gcc-10 [ppc64el],
          ${misc:Depends},
          ${shlibs:Depends}
 Recommends: ruby2.7-doc