diff --git a/docs/run-testnet.md b/docs/run-testnet.md
index a28a93e464..6ee5506384 100644
--- a/docs/run-testnet.md
+++ b/docs/run-testnet.md
@@ -160,7 +160,7 @@ Compile Citrea by running command:
 cargo build --release
 ```
 
-If you wish to verify ZK-Proofs, add `REPR_GUEST_BUILD=1` before `cargo b...`
+If you wish to verify ZK-Proofs, add `REPR_GUEST_BUILD_LATEST=1` before `cargo b...`
 
 #### Step 2.4: Run Citrea
 
diff --git a/guests/risc0/batch-proof/build.rs b/guests/risc0/batch-proof/build.rs
index e00391e706..95b9b203af 100644
--- a/guests/risc0/batch-proof/build.rs
+++ b/guests/risc0/batch-proof/build.rs
@@ -5,7 +5,7 @@ use risc0_build::{embed_methods_with_options, DockerOptions, GuestOptions};
 fn main() {
     // Build environment variables
     println!("cargo:rerun-if-env-changed=SKIP_GUEST_BUILD");
-    println!("cargo:rerun-if-env-changed=REPR_GUEST_BUILD");
+    println!("cargo:rerun-if-env-changed=REPR_GUEST_BUILD_LATEST");
     println!("cargo:rerun-if-env-changed=OUT_DIR");
     // Compile time constant environment variables
     println!("cargo:rerun-if-env-changed=CITREA_NETWORK");
@@ -59,9 +59,9 @@ fn get_guest_options() -> HashMap<&'static str, risc0_build::GuestOptions> {
         features.push("testing".to_string());
     }
 
-    let use_docker = if std::env::var("REPR_GUEST_BUILD").is_ok() {
+    let use_docker = if std::env::var("REPR_GUEST_BUILD_LATEST").is_ok() {
         let this_package_dir = std::env!("CARGO_MANIFEST_DIR");
-        let root_dir = format!("{this_package_dir}/../../");
+        let root_dir = format!("{this_package_dir}/../../../");
         Some(DockerOptions {
             root_dir: Some(root_dir.into()),
         })
diff --git a/guests/risc0/light-client-proof/build.rs b/guests/risc0/light-client-proof/build.rs
index 023624f2ad..87ab67bae1 100644
--- a/guests/risc0/light-client-proof/build.rs
+++ b/guests/risc0/light-client-proof/build.rs
@@ -5,7 +5,7 @@ use risc0_build::{embed_methods_with_options, DockerOptions, GuestOptions};
 fn main() {
     // Build environment variables
     println!("cargo:rerun-if-env-changed=SKIP_GUEST_BUILD");
-    println!("cargo:rerun-if-env-changed=REPR_GUEST_BUILD");
+    println!("cargo:rerun-if-env-changed=REPR_GUEST_BUILD_LATEST");
     println!("cargo:rerun-if-env-changed=OUT_DIR");
     // Compile time constant environment variables
     println!("cargo:rerun-if-env-changed=CITREA_NETWORK");
@@ -59,9 +59,9 @@ fn get_guest_options() -> HashMap<&'static str, risc0_build::GuestOptions> {
         features.push("testing".to_string());
     }
 
-    let use_docker = if std::env::var("REPR_GUEST_BUILD").is_ok() {
+    let use_docker = if std::env::var("REPR_GUEST_BUILD_LATEST").is_ok() {
         let this_package_dir = std::env!("CARGO_MANIFEST_DIR");
-        let root_dir = format!("{this_package_dir}/../../");
+        let root_dir = format!("{this_package_dir}/../../../");
         Some(DockerOptions {
             root_dir: Some(root_dir.into()),
         })