diff --git a/Cargo.lock b/Cargo.lock
index 3d2dd4c..41195be 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3596,6 +3596,7 @@ dependencies = [
  "clap",
  "clap_complete",
  "clap_complete_fig",
+ "comemo",
  "env_logger",
  "handlebars",
  "include_dir",
diff --git a/Cargo.toml b/Cargo.toml
index d3f5b94..2a94d21 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,6 +33,7 @@ handlebars = "4.3"
 
 # general
 anyhow = "1"
+comemo = "0.3"
 tokio = { version = "1.28.1", features = ["full"] }
 
 # cryptography and processing
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 4a610bd..d2b7ac6 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -26,7 +26,7 @@ clap.workspace = true
 clap_complete.workspace = true
 clap_complete_fig.workspace = true
 
-# comemo.workspace = true
+comemo.workspace = true
 # chrono.workspace = true
 tokio.workspace = true
 include_dir.workspace = true
diff --git a/cli/src/main.rs b/cli/src/main.rs
index cbc76e5..aa0bc99 100644
--- a/cli/src/main.rs
+++ b/cli/src/main.rs
@@ -174,6 +174,9 @@ pub async fn serve(args: ServeArgs) -> ZResult<()> {
     // Build the book if it hasn't been built yet
     if !args.no_build {
         proj.build()?;
+
+        // since we don't need the compilation cache anymore, we can evict it
+        comemo::evict(0);
     }
 
     let http_addr: SocketAddr = args
diff --git a/cli/src/project.rs b/cli/src/project.rs
index 61f6263..a6ba68e 100644
--- a/cli/src/project.rs
+++ b/cli/src/project.rs
@@ -273,6 +273,9 @@ impl Project {
                     write_file(&self.dest_dir.join("index.html"), content)?;
                     write_index = true;
                 }
+
+                // cleanup cache
+                comemo::evict(5);
             }
         }