diff --git a/Makefile b/Makefile
index 408e3a5..2d85802 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,12 @@ INSTALL := install
 GZIP := gzip -f9
 ZCAT := zcat
 
-DATE := $(shell date '+%B %Y')
+DATE_FMT = '+%B %Y'
+ifdef SOURCE_DATE_EPOCH
+	DATE := $(shell LC_ALL=C date -u -d "@$(SOURCE_DATE_EPOCH)" "+$(DATE_FMT)" 2>/dev/null || LC_ALL=C date -u -r "$(SOURCE_DATE_EPOCH)" "+$(DATE_FMT)" 2>/dev/null || date LC_ALL=C -u "+$(DATE_FMT)")
+else
+	DATE := $(shell date "+$(DATE_FMT)")
+endif
 GIT_VERSION := $(shell ./version-gen.sh)
 PLAIN_VERSION := $(firstword $(subst -, , $(GIT_VERSION)))
 MAJOR_VERSION := $(firstword $(subst ., , $(PLAIN_VERSION)))