diff --git a/ping/_compositions/rust-cross-versions.toml b/ping/_compositions/rust-cross-versions.toml
index bc0829a..4f18e47 100644
--- a/ping/_compositions/rust-cross-versions.toml
+++ b/ping/_compositions/rust-cross-versions.toml
@@ -25,7 +25,7 @@
 
     [groups.build_config.build_args]
       BINARY_NAME = '{{ .BinaryName }}'
-      GIT_REF = '{{ $.Env.GitReference }}'
+      GIT_REF = "master"
   {{ end }}
 
   {{ if $.Env.GitReference }}
diff --git a/ping/_compositions/rust.toml b/ping/_compositions/rust.toml
index 0dc0c03..e18cce1 100644
--- a/ping/_compositions/rust.toml
+++ b/ping/_compositions/rust.toml
@@ -17,12 +17,12 @@ Id = "v0.47.0"
 BinaryName = 'testplan_0470'
 
 [[groups]]
-Id = "v0.46.0"
-BinaryName = 'testplan_0460'
+Id = "v0.46.1"
+BinaryName = 'testplan_0461'
 
 [[groups]]
 Id = "v0.45.1"
-BinaryName = 'testplan_0450'
+BinaryName = 'testplan_0451'
 
 [[groups]]
 Id = "v0.44.0"
diff --git a/ping/rust/Cargo.toml b/ping/rust/Cargo.toml
index 4a98506..e28cf33 100644
--- a/ping/rust/Cargo.toml
+++ b/ping/rust/Cargo.toml
@@ -21,8 +21,8 @@ tokio-util = { version = "0.7", default-features = false, features = ["compat"]
 futures = "0.3.1"
 
 libp2pv0440 = { package = "libp2p", version = "0.44.0", default_features = false, features = ["websocket", "mplex", "yamux", "tcp-async-io", "ping", "noise", "dns-async-std"] }
-libp2pv0450 = { package = "libp2p", version = "0.45.0", default_features = false, features = ["websocket", "mplex", "yamux", "tcp-async-io", "ping", "noise", "dns-async-std"] }
-libp2pv0460 = { package = "libp2p", version = "0.46.0", default_features = false, features = ["websocket", "mplex", "yamux", "tcp-async-io", "ping", "noise", "dns-async-std"] }
+libp2pv0451 = { package = "libp2p", version = "0.45.1", default_features = false, features = ["websocket", "mplex", "yamux", "tcp-async-io", "ping", "noise", "dns-async-std"] }
+libp2pv0461 = { package = "libp2p", version = "0.46.1", default_features = false, features = ["websocket", "mplex", "yamux", "tcp-async-io", "ping", "noise", "dns-async-std"] }
 libp2pv0470 = { package = "libp2p", version = "0.47.0", default_features = false, features = ["websocket", "mplex", "yamux", "tcp-async-io", "ping", "noise", "dns-async-std"] }
 libp2pv0480 = { package = "libp2p", version = "0.48.0", default_features = false, features = ["websocket", "mplex", "yamux", "tcp-async-io", "ping", "noise", "dns-async-std", "rsa"] }
 libp2pv0490 = { package = "libp2p", version = "0.49.0", features = ["websocket", "mplex", "yamux", "tcp", "async-std", "ping", "noise", "dns", "rsa"] }
diff --git a/ping/rust/Dockerfile b/ping/rust/Dockerfile
index b9455b2..9406109 100644
--- a/ping/rust/Dockerfile
+++ b/ping/rust/Dockerfile
@@ -4,14 +4,22 @@ WORKDIR /usr/src/testplan
 RUN apt-get update && apt-get install -y cmake protobuf-compiler
 
 ARG PLAN_PATH="./"
-COPY ./plan/${PLAN_PATH} ./plan
+
+RUN mkdir -p ./plan/src
+COPY ./plan/${PLAN_PATH}/src/main.rs ./plan/src/main.rs
+COPY ./plan/${PLAN_PATH}/Cargo.toml ./plan/Cargo.toml
+COPY ./plan/${PLAN_PATH}/Cargo.lock ./plan/Cargo.lock
+
 RUN cd ./plan/ && cargo build  # Initial build acts as a cache.
 
 ARG GIT_TARGET=""
 RUN if [ ! -z "${GIT_TARGET}" ]; then sed -i "s,^git.*,git = \"https://${GIT_TARGET}\"," ./plan/Cargo.toml; fi
 
 ARG GIT_REF=""
-RUN if [ ! -z "${GIT_REF}" ]; then sed -i "s/^rev.*/rev = \"${GIT_REF}\"/" ./plan/Cargo.toml; fi
+RUN if [ "master" = "${GIT_REF}" ]; then sed -i "s/^rev.*/branch= \"master\"/" ./plan/Cargo.toml; elif [ ! -z "${GIT_REF}" ]; then sed -i "s/^rev.*/rev = \"${GIT_REF}\"/" ./plan/Cargo.toml; fi
+
+COPY ./plan/${PLAN_PATH}/src/lib.rs ./plan/src/lib.rs
+COPY ./plan/${PLAN_PATH}/src/bin/ ./plan/src/bin/
 
 # Build the requested binary: Cargo will update lockfile on changed manifest (i.e. if one of the above `sed`s patched it).
 ARG BINARY_NAME
diff --git a/ping/rust/src/bin/testplan_0450.rs b/ping/rust/src/bin/testplan_0451.rs
similarity index 97%
rename from ping/rust/src/bin/testplan_0450.rs
rename to ping/rust/src/bin/testplan_0451.rs
index 5f51690..5a35113 100644
--- a/ping/rust/src/bin/testplan_0450.rs
+++ b/ping/rust/src/bin/testplan_0451.rs
@@ -1,8 +1,8 @@
 use anyhow::Result;
 use async_trait::async_trait;
 use futures::StreamExt;
-use libp2pv0450::swarm::SwarmEvent;
-use libp2pv0450::*;
+use libp2pv0451::swarm::SwarmEvent;
+use libp2pv0451::*;
 use std::collections::HashSet;
 use std::time::Duration;
 use testplan::{run_ping, PingSwarm};
diff --git a/ping/rust/src/bin/testplan_0460.rs b/ping/rust/src/bin/testplan_0461.rs
similarity index 97%
rename from ping/rust/src/bin/testplan_0460.rs
rename to ping/rust/src/bin/testplan_0461.rs
index 6d5f228..9caa590 100644
--- a/ping/rust/src/bin/testplan_0460.rs
+++ b/ping/rust/src/bin/testplan_0461.rs
@@ -1,8 +1,8 @@
 use anyhow::Result;
 use async_trait::async_trait;
 use futures::StreamExt;
-use libp2pv0460::swarm::SwarmEvent;
-use libp2pv0460::*;
+use libp2pv0461::swarm::SwarmEvent;
+use libp2pv0461::*;
 use std::collections::HashSet;
 use std::time::Duration;
 use testplan::{run_ping, PingSwarm};
diff --git a/ping/rust/src/main.rs b/ping/rust/src/main.rs
new file mode 100644
index 0000000..8f55947
--- /dev/null
+++ b/ping/rust/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("This is a dummy main file that is used for creating a cache layer inside the docker container.")
+}