diff --git a/.gitea/workflows/avr-build.yaml b/.gitea/workflows/avr-build.yaml
index f39261e..658075c 100644
--- a/.gitea/workflows/avr-build.yaml
+++ b/.gitea/workflows/avr-build.yaml
@@ -36,7 +36,6 @@ jobs:
             echo "PREFIX=ENO" >> $GITHUB_ENV
           fi
 
-          echo "VERSION=${GITHUB_SHA::7}" >> $GITHUB_ENV
 
       - name: Code check
         run: cppcheck --enable=all --inconclusive src \
@@ -47,7 +46,7 @@ jobs:
 
       - name: Build firmware
         run: |
-          make BUILD_TYPE=$BUILD_TYPE PREFIX=$PREFIX VERSION=$VERSION
+          make BUILD_TYPE=$BUILD_TYPE PREFIX=$PREFIX
 
 
       - name: Publish HEX to binaries repo
diff --git a/makefile b/makefile
index ba7da87..94cfa21 100644
--- a/makefile
+++ b/makefile
@@ -2,7 +2,7 @@ MCU ?= atmega644pa
 F_CPU ?= 8000000UL
 
 BUILD_TYPE ?= dev
-VERSION ?= 0.1
+VERSION := $(shell cat VERSION.txt | tr -d ' \t\r\n')
 PREFIX ?= ENO
 
 CC = avr-gcc
@@ -19,7 +19,7 @@ all: $(TARGET).hex
 
 $(TARGET).elf: $(SRC)
 	@mkdir -p $(OUTDIR)
-	$(CC) $(CFLAGS) $< -o $@ //avr-gcc -mmcu=atmega644pa ....
+	$(CC) $(CFLAGS) $< -o $@
 
 $(TARGET).hex: $(TARGET).elf
 	$(OBJCOPY) -O ihex -R .eeprom $< $@