diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..33bc481
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,22 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+      "GitHub Actions updates":
+        patterns:
+          - "*"
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+      "Go modules updates":
+        dependency-type: "production"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 70d4593..1dcca8f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,6 @@ jobs:
         cat $GITHUB_WORKSPACE/profile.cov_tmp | grep -v "mocks" | grep -v "_mock" > $GITHUB_WORKSPACE/profile.cov
       working-directory: app
       env:
-        GO111MODULE: on
         TZ: "America/Chicago"
 
     - name: golangci-lint
diff --git a/Dockerfile b/Dockerfile
index 9523107..4cb1d85 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,8 +4,6 @@ ARG GIT_BRANCH
 ARG GITHUB_SHA
 ARG CI
 
-ENV GOFLAGS="-mod=vendor"
-
 ADD . /build
 WORKDIR /build
 
@@ -18,6 +16,10 @@ RUN \
 
 
 FROM umputun/baseimage:app-latest
+
+# enables automatic changelog generation by tools like Dependabot
+LABEL org.opencontainers.image.source="https://github.com/radio-t/super-bot"
+
 COPY --from=build /build/telegram-rt-bot /srv/telegram-rt-bot
 COPY data/*.data /srv/data/
 COPY data/logs.html /srv/logs.html
diff --git a/Makefile b/Makefile
index d210367..6524722 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,7 @@ generate:
 .PHONY: build
 ## build: builds server
 build:
-	@cd app && go build -v -mod=vendor
+	@cd app && go build -v
 
 .PHONY: vendor
 ## vendor: runs `go mod vendor`
@@ -22,7 +22,7 @@ vendor:
 .PHONY: test
 ## test: runs `go test`
 test:
-	@go test -mod=vendor ./app/... -coverprofile cover.out
+	@go test ./app/... -coverprofile cover.out
 
 .PHONY: lint
 ## lint: runs `golangci-lint`
@@ -35,5 +35,5 @@ lint:
 # make run ARGS="--super=umputun"
 # make run ARGS="--super=umputun --broadcast=umputun --export-num=684 --export-path=logs --export-day=20200104 --export-template=data/logs.html"
 run:
-	@go run -v -mod=vendor app/main.go --dbg ${ARGS}
+	@go run -v app/main.go --dbg ${ARGS}