diff --git a/.github/workflows/rust-dev.yml b/.github/workflows/rust-dev.yml
index 5ab6fe2..566ce0b 100644
--- a/.github/workflows/rust-dev.yml
+++ b/.github/workflows/rust-dev.yml
@@ -29,7 +29,7 @@ jobs:
         cargo clippy --features "experimental_index"
     - name: Build release
       run: |
-        cargo build --release --features "experimental_index"
+        cargo test --features "experimental_index" -- --include-ignored
 
   build-macos:
 
@@ -51,4 +51,4 @@ jobs:
         cargo clippy --features "experimental_index"
     - name: Build release
       run: |
-        cargo build --release --features "experimental_index"
+        cargo test --features "experimental_index" -- --include-ignored
diff --git a/tests/index.rs b/tests/index.rs
index 93590b4..2249b33 100644
--- a/tests/index.rs
+++ b/tests/index.rs
@@ -130,6 +130,7 @@ fn index_panic() -> Result<()> {
 }
 
 #[test]
+#[ignore = "for releases, indexing is experimental"]
 fn add_file_while_index_open() -> Result<()> {
     thread::spawn(|| -> Result<()> {
         let file_path = Path::new("./data/iceland-surface.idx");
@@ -169,6 +170,7 @@ fn add_file_to_read_index() -> Result<()> {
 }
 
 #[test]
+#[ignore = "for releases, indexing is experimental"]
 fn simulatenous_index_destructors() -> Result<()> {
     let h1 = thread::spawn(|| -> anyhow::Result<(), CodesError> {
         let mut rng = rand::thread_rng();
@@ -219,6 +221,7 @@ fn simulatenous_index_destructors() -> Result<()> {
 }
 
 #[test]
+#[ignore = "for releases, indexing is experimental"]
 fn index_handle_interference() -> Result<()> {
     thread::spawn(|| -> Result<()> {
         let file_path = Path::new("./data/iceland.grib");