diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
index a0612a6..afd9314 100644
--- a/.github/workflows/docker.yaml
+++ b/.github/workflows/docker.yaml
@@ -22,4 +22,4 @@ jobs:
           GOOS=linux GOARCH=amd64 make
           echo "${{ secrets.GHCR_TOKEN }}" | docker login ghcr.io -u "${{ secrets.GHCR_USER }}" --password-stdin
           docker build . --tag ghcr.io/${{ github.repository }}:${{ steps.vars.outputs.tag_name }} -f docker/Dockerfile --build-arg "ghcr_token=${{ secrets.GHCR_TOKEN }}"
-          docker push ghcr.io/${{ github.repository }}:${{ steps.vars.outputs.tag_name }}
+          docker push ghcr.io/${{ github.repository }}:${{ steps.vars.outputs.tag_name }}
\ No newline at end of file
diff --git a/cmd/node/flags.go b/cmd/node/flags.go
index c5b3f83..cd70e01 100644
--- a/cmd/node/flags.go
+++ b/cmd/node/flags.go
@@ -32,7 +32,8 @@ func parseFlags() *config.Config {
 	pflag.UintVarP(&cfg.Concurrency, "concurrency", "c", defaultConcurrency, "maximum number of requests node will process in parallel")
 	pflag.StringVar(&cfg.API, "rest-api", "", "address where the head node REST API will listen on")
 	pflag.StringVar(&cfg.Workspace, "workspace", "./workspace", "directory that the node can use for file storage")
-	pflag.StringVar(&cfg.Runtime, "runtime", "", "runtime address (used by the worker node)")
+	pflag.StringVar(&cfg.RuntimePath, "runtime-path", "", "runtime path (used by the worker node)")
+	pflag.StringVar(&cfg.RuntimeCLI, "runtime-cli", "", "runtime path (used by the worker node)")
 	pflag.BoolVar(&cfg.LoadAttributes, "attributes", false, "node should try to load its attribute data from IPFS")
 
 	// Host configuration.
diff --git a/cmd/node/main.go b/cmd/node/main.go
index ef7f98a..ea5a781 100644
--- a/cmd/node/main.go
+++ b/cmd/node/main.go
@@ -132,7 +132,8 @@ func run() int {
 		// Executor options.
 		execOptions := []executor.Option{
 			executor.WithWorkDir(cfg.Workspace),
-			executor.WithRuntimeDir(cfg.Runtime),
+			executor.WithRuntimeDir(cfg.RuntimePath),
+			executor.WithExecutableName(cfg.RuntimeCLI),
 		}
 
 		if needLimiter(cfg) {
@@ -158,7 +159,7 @@ func run() int {
 			log.Error().
 				Err(err).
 				Str("workspace", cfg.Workspace).
-				Str("runtime", cfg.Runtime).
+				Str("runtime_path", cfg.RuntimePath).
 				Msg("could not create an executor")
 			return failure
 		}
diff --git a/docker/run.sh b/docker/run.sh
index 74f527a..e4497c1 100644
--- a/docker/run.sh
+++ b/docker/run.sh
@@ -83,5 +83,5 @@ fi
 if [ "$NODE_ROLE" = "head" ]; then
   ./upshot-node --peer-db /var/tmp/upshot/peerdb --function-db /var/tmp/upshot/function-db --log-level debug --port $P2P_PORT --role head --workspace $WORKSPACE_ROOT --private-key $NODE_KEY_PATH --rest-api :$REST_API $dialback_args $bootnode_args
 else
-  ./upshot-node --peer-db ./peer-database --function-db ./function-database--log-level debug --port $P2P_PORT --role worker --runtime /app/runtime --workspace $WORKSPACE_ROOT --private-key $NODE_KEY_PATH $dialback_args $bootnode_args 
+  ./upshot-node --peer-db ./peer-database --function-db ./function-database--log-level debug --port $P2P_PORT --role worker --runtime-path /app/runtime --runtime-cli bls-runtime --workspace $WORKSPACE_ROOT --private-key $NODE_KEY_PATH $dialback_args $bootnode_args 
 fi
\ No newline at end of file
diff --git a/go.mod b/go.mod
index 09d1d12..6f6ebe1 100644
--- a/go.mod
+++ b/go.mod
@@ -7,6 +7,7 @@ toolchain go1.21.4
 require (
 	github.com/cockroachdb/pebble v0.0.0-20230903225801-a4fe05009372
 	github.com/labstack/echo/v4 v4.11.3
+	github.com/libp2p/go-libp2p v0.31.0
 	github.com/multiformats/go-multiaddr v0.11.0
 	github.com/spf13/pflag v1.0.5
 )
@@ -78,7 +79,6 @@ require (
 	github.com/libp2p/go-buffer-pool v0.1.0 // indirect
 	github.com/libp2p/go-cidranger v1.1.0 // indirect
 	github.com/libp2p/go-flow-metrics v0.1.0 // indirect
-	github.com/libp2p/go-libp2p v0.31.0 // indirect
 	github.com/libp2p/go-libp2p-asn-util v0.3.0 // indirect
 	github.com/libp2p/go-libp2p-consensus v0.0.1 // indirect
 	github.com/libp2p/go-libp2p-gostream v0.6.0 // indirect
@@ -150,9 +150,8 @@ require (
 )
 
 require (
-	github.com/blocklessnetwork/b7s v0.4.3
+	github.com/blocklessnetwork/b7s v0.4.5
 	github.com/labstack/gommon v0.4.0 // indirect
-	github.com/libp2p/go-libp2p-core v0.20.1
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.19 // indirect
 	github.com/rs/zerolog v1.31.0
diff --git a/go.sum b/go.sum
index cd8d2a5..7287b93 100644
--- a/go.sum
+++ b/go.sum
@@ -69,8 +69,8 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/blocklessnetwork/b7s v0.4.3 h1:uqojfDy7rBekScFL2bVacKurmOtBo9bdxjKXJg4XhUY=
-github.com/blocklessnetwork/b7s v0.4.3/go.mod h1:fkA5Te5tqk+foXMS50qe0zSx4V5KaO4PLKKpt2AudQE=
+github.com/blocklessnetwork/b7s v0.4.5 h1:EtiP4NlkwZgDgQKQGx5PO9XWzJgDGV7Civ/BFemSHxM=
+github.com/blocklessnetwork/b7s v0.4.5/go.mod h1:fkA5Te5tqk+foXMS50qe0zSx4V5KaO4PLKKpt2AudQE=
 github.com/blocklessnetwork/b7s-attributes v0.0.0-20231003175355-c87ad3eae97e h1:MbORHFMckGPdJq3Wdya+DqrY5iyvUn4PdcWyI3ywd30=
 github.com/blocklessnetwork/b7s-attributes v0.0.0-20231003175355-c87ad3eae97e/go.mod h1:OvkFdYsKp1RFpfa/nLuOc4Aif08U6O9uOcAnXgz/qJY=
 github.com/boltdb/bolt v1.3.1 h1:JQmyP4ZBrce+ZQu0dY660FMfatumYDLun9hBCUVIkF4=
@@ -370,8 +370,6 @@ github.com/libp2p/go-libp2p-asn-util v0.3.0 h1:gMDcMyYiZKkocGXDQ5nsUQyquC9+H+iLE
 github.com/libp2p/go-libp2p-asn-util v0.3.0/go.mod h1:B1mcOrKUE35Xq/ASTmQ4tN3LNzVVaMNmq2NACuqyB9w=
 github.com/libp2p/go-libp2p-consensus v0.0.1 h1:jcVbHRZLwTXU9iT/mPi+Lx4/OrIzq3bU1TbZNhYFCV8=
 github.com/libp2p/go-libp2p-consensus v0.0.1/go.mod h1:+9Wrfhc5QOqWB0gXI0m6ARlkHfdJpcFXmRU0WoHz4Mo=
-github.com/libp2p/go-libp2p-core v0.20.1 h1:fQz4BJyIFmSZAiTbKV8qoYhEH5Dtv/cVhZbG3Ib/+Cw=
-github.com/libp2p/go-libp2p-core v0.20.1/go.mod h1:6zR8H7CvQWgYLsbG4on6oLNSGcyKaYFSEYyDt51+bIY=
 github.com/libp2p/go-libp2p-gostream v0.6.0 h1:QfAiWeQRce6pqnYfmIVWJFXNdDyfiR/qkCnjyaZUPYU=
 github.com/libp2p/go-libp2p-gostream v0.6.0/go.mod h1:Nywu0gYZwfj7Jc91PQvbGU8dIpqbQQkjWgDuOrFaRdA=
 github.com/libp2p/go-libp2p-kad-dht v0.25.0 h1:T2SXQ/VlXTQVLChWY/+OyOsmGMRJvB5kiR+eJt7jtvI=