2 files changed, 2 insertions, 0 deletions
diff --git a/build-aux/hydra/gnu-system.scm b/build-aux/hydra/gnu-system.scm
index abc107cb1c..72e4c35537 100644
--- a/build-aux/hydra/gnu-system.scm
+++ b/build-aux/hydra/gnu-system.scm
@@ -38,6 +38,7 @@
 
 (use-modules (guix store)
              (guix packages)
+             (guix derivations)
              ((guix utils) #:select (%current-system))
              (gnu packages)
              (gnu packages base)
diff --git a/build-aux/hydra/guix.scm b/build-aux/hydra/guix.scm
index 189b973a69..9800c1991d 100644
--- a/build-aux/hydra/guix.scm
+++ b/build-aux/hydra/guix.scm
@@ -40,6 +40,7 @@
 (use-modules (guix store)
              (guix packages)
              (guix utils)
+             (guix derivations)
              (guix build-system gnu)
              (gnu packages version-control)
              (gnu packages package-management)