diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc
index 77c31f14a..91db9d130 100644
--- a/src/libstore/gc.cc
+++ b/src/libstore/gc.cc
@@ -22,6 +22,7 @@
 #include <random>
 
 #include <climits>
+#include <thread>
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/stat.h>