diff --git a/crates/charon/build.rs b/crates/charon/build.rs
index b4a8b370..ef2ad4cd 100644
--- a/crates/charon/build.rs
+++ b/crates/charon/build.rs
@@ -5,5 +5,8 @@
 use std::io::Result;
 
 fn main() -> Result<()> {
-    charon_build_proto::compile_protos("src/peerinfo/peerinfopb/v1")
+    charon_build_proto::compile_protos("src/peerinfo/peerinfopb/v1")?;
+    charon_build_proto::compile_protos("src/log/loki/lokipb/v1")?;
+
+    Ok(())
 }
diff --git a/crates/charon/src/lib.rs b/crates/charon/src/lib.rs
index d0a1debc..93f0371f 100644
--- a/crates/charon/src/lib.rs
+++ b/crates/charon/src/lib.rs
@@ -6,3 +6,6 @@
 
 /// Peerinfo.
 pub mod peerinfo;
+
+/// Log
+pub mod log;
diff --git a/crates/charon/src/log/loki/lokipb/mod.rs b/crates/charon/src/log/loki/lokipb/mod.rs
new file mode 100644
index 00000000..bb6553a6
--- /dev/null
+++ b/crates/charon/src/log/loki/lokipb/mod.rs
@@ -0,0 +1,2 @@
+/// V1
+pub mod v1;
diff --git a/crates/charon/src/log/loki/lokipb/v1.rs b/crates/charon/src/log/loki/lokipb/v1.rs
new file mode 100644
index 00000000..02d5f8ca
--- /dev/null
+++ b/crates/charon/src/log/loki/lokipb/v1.rs
@@ -0,0 +1,2 @@
+/// Loki protobuf definitions.
+pub mod loki;
diff --git a/crates/charon/src/log/loki/lokipb/v1/loki.proto b/crates/charon/src/log/loki/lokipb/v1/loki.proto
new file mode 100644
index 00000000..541e79a8
--- /dev/null
+++ b/crates/charon/src/log/loki/lokipb/v1/loki.proto
@@ -0,0 +1,20 @@
+syntax = "proto3";
+
+package loki;
+
+import "google/protobuf/timestamp.proto";
+
+message PushRequest {
+  repeated Stream streams = 1;
+}
+
+message Stream {
+  string labels = 1;
+  repeated Entry entries = 2;
+  uint64 hash = 3;
+}
+
+message Entry {
+  google.protobuf.Timestamp timestamp = 1;
+  string line = 2;
+}
diff --git a/crates/charon/src/log/loki/lokipb/v1/loki.rs b/crates/charon/src/log/loki/lokipb/v1/loki.rs
new file mode 100644
index 00000000..47c8d95e
--- /dev/null
+++ b/crates/charon/src/log/loki/lokipb/v1/loki.rs
@@ -0,0 +1,27 @@
+// This file is @generated by prost-build.
+#![allow(dead_code)]
+#![allow(missing_docs)]
+#![allow(clippy::all)]
+#![allow(rustdoc::all)]
+
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct PushRequest {
+    #[prost(message, repeated, tag = "1")]
+    pub streams: ::prost::alloc::vec::Vec<Stream>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Stream {
+    #[prost(string, tag = "1")]
+    pub labels: ::prost::alloc::string::String,
+    #[prost(message, repeated, tag = "2")]
+    pub entries: ::prost::alloc::vec::Vec<Entry>,
+    #[prost(uint64, tag = "3")]
+    pub hash: u64,
+}
+#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
+pub struct Entry {
+    #[prost(message, optional, tag = "1")]
+    pub timestamp: ::core::option::Option<::prost_types::Timestamp>,
+    #[prost(string, tag = "2")]
+    pub line: ::prost::alloc::string::String,
+}
diff --git a/crates/charon/src/log/loki/mod.rs b/crates/charon/src/log/loki/mod.rs
new file mode 100644
index 00000000..4c05e265
--- /dev/null
+++ b/crates/charon/src/log/loki/mod.rs
@@ -0,0 +1,2 @@
+/// Loki protobuf definitions.
+pub mod lokipb;
diff --git a/crates/charon/src/log/mod.rs b/crates/charon/src/log/mod.rs
new file mode 100644
index 00000000..81107ba1
--- /dev/null
+++ b/crates/charon/src/log/mod.rs
@@ -0,0 +1,2 @@
+/// Loki
+pub mod loki;