diff --git a/.semver b/.semver
new file mode 100644
index 000000000..89b137977
--- /dev/null
+++ b/.semver
@@ -0,0 +1 @@
+SEMVER_MAJOR=1
\ No newline at end of file
diff --git a/Makefile b/Makefile
index e69194c93..729301372 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,7 @@
 
 export GO111MODULE=on
 
+-include .semver
 -include .env
 export
 
@@ -12,6 +13,12 @@ export
 BINARY_NAME=photoprism
 GOIMPORTS=goimports
 
+# Build version.
+SEMVER_MAJOR ?= 0
+SEMVER_MINOR ?= $(shell date -u +%y%m)
+SEMVER_PATCH ?= $(shell date -u +%d)
+SEMVER_VERSION ?= $(SEMVER_MAJOR).$(SEMVER_MINOR).$(SEMVER_PATCH)
+
 # Build parameters.
 BUILD_PATH ?= $(shell realpath "./build")
 BUILD_DATE ?= $(shell date -u +%y%m%d)