diff --git a/manifest/externals.ml b/manifest/externals.ml
index f2b1154c0e013e4780466123985cc8aa47b1380f..15d67b0df32ec74be09988192ea69735eb4c8dbe 100644
--- a/manifest/externals.ml
+++ b/manifest/externals.ml
@@ -38,6 +38,8 @@ let asetmap = external_lib "asetmap" V.(at_least "0.8.1")
 
 let astring = external_lib "astring" V.True
 
+let bam_ppx = external_lib "bam-ppx" V.True
+
 let bheap = external_lib "bheap" V.(at_least "2.0.0")
 
 let bigarray_compat = external_lib "bigarray-compat" V.True
@@ -287,6 +289,8 @@ let crowbar = external_lib "crowbar" V.(at_least "0.2")
 
 let ppx_hash = external_lib "ppx_hash" V.True
 
+let tezt_bam = external_lib "tezt-bam" V.True
+
 let tezt_lib =
   external_lib
     "tezt"
diff --git a/manifest/product_octez.ml b/manifest/product_octez.ml
index e09c605a01b8fac67084e562707fbd0308b7e71d..30e94506a87a4d0f7456890385745a168458e628 100644
--- a/manifest/product_octez.ml
+++ b/manifest/product_octez.ml
@@ -1442,6 +1442,7 @@ let _octez_stdlib_unix_test =
     ]
     ~path:"src/lib_stdlib_unix/test/"
     ~opam:"octez-libs"
+    ~preprocess:(pps bam_ppx)
     ~deps:
       [
         octez_error_monad |> open_ |> open_ ~m:"TzLwtreslib";
@@ -1450,6 +1451,7 @@ let _octez_stdlib_unix_test =
         octez_test_helpers |> open_;
         qcheck_alcotest;
         alcotezt;
+        tezt_bam;
       ]
 
 let octez_dal_config =
diff --git a/opam/octez-libs.opam b/opam/octez-libs.opam
index a43b93dccb61d421accaa77cc3bf7d7d48333e85..620f2533f8fe8eed627df97b6a5318f5784cb7ce 100644
--- a/opam/octez-libs.opam
+++ b/opam/octez-libs.opam
@@ -82,6 +82,8 @@ depends: [
   "octez-rust-deps" { = version }
   "lwt-watcher" { = "0.2" }
   "bigstring" {with-test}
+  "bam-ppx" {with-test}
+  "tezt-bam" {with-test}
 ]
 x-opam-monorepo-opam-provided: [
   "tezos-sapling-parameters"
diff --git a/opam/virtual/octez-deps.opam b/opam/virtual/octez-deps.opam
index c749f7bed0f401118b9c245463875828f4c6d01e..a9945f8aa584f5e7c608f2f950fa1612243585ff 100644
--- a/opam/virtual/octez-deps.opam
+++ b/opam/virtual/octez-deps.opam
@@ -15,6 +15,7 @@ depends: [
   "alcotest-lwt" { >= "1.5.0" }
   "asetmap" { >= "0.8.1" }
   "astring"
+  "bam-ppx"
   "base-unix"
   "bheap" { >= "2.0.0" }
   "bigarray-compat"
@@ -104,6 +105,7 @@ depends: [
   "tar-unix" { >= "2.0.1" & < "3.0.0" }
   "tezos-sapling-parameters" { >= "1.1.0" }
   "tezt" { >= "4.1.0" & < "5.0.0" }
+  "tezt-bam"
   "tls-lwt" { >= "0.16.0" }
   "uri" { >= "3.1.0" }
   "uutf"
diff --git a/opam/virtual/octez-deps.opam.locked b/opam/virtual/octez-deps.opam.locked
index 2c070f2ab3c33d3bb5e986f8708ad88705aad4e9..8c3feea925580b33878808a2f4d3704fcbc0b175 100644
--- a/opam/virtual/octez-deps.opam.locked
+++ b/opam/virtual/octez-deps.opam.locked
@@ -1,6 +1,6 @@
 opam-version: "2.0"
 name: "octez-deps"
-version: "dev"
+version: "~dev"
 synopsis:
   "Virtual package depending on Octez dependencies (profile: octez-deps)"
 description:
@@ -20,6 +20,8 @@ depends: [
   "asetmap" {= "0.8.1"}
   "asn1-combinators" {= "0.2.6"}
   "astring" {= "0.8.5"}
+  "bam" {= "0.2"}
+  "bam-ppx" {= "0.2"}
   "base" {= "v0.16.3"}
   "base-bigarray" {= "base"}
   "base-bytes" {= "base"}
@@ -208,6 +210,7 @@ depends: [
   "terminal" {= "0.4.0"}
   "tezos-sapling-parameters" {= "1.1.0"}
   "tezt" {= "4.1.0"}
+  "tezt-bam" {= "0.2"}
   "time_now" {= "v0.16.0"}
   "tls" {= "0.17.5"}
   "tls-lwt" {= "0.17.5"}
diff --git a/src/lib_stdlib_unix/test/dune b/src/lib_stdlib_unix/test/dune
index 274016a3cece66243520b9ea1cef612b0e82f724..db8aa2aff86bf46cb12a176006c90d0a25234ef5 100644
--- a/src/lib_stdlib_unix/test/dune
+++ b/src/lib_stdlib_unix/test/dune
@@ -11,7 +11,9 @@
   octez-libs.event-logging
   octez-libs.test-helpers
   qcheck-alcotest
-  octez-alcotezt)
+  octez-alcotezt
+  tezt-bam)
+ (preprocess (pps bam-ppx))
  (library_flags (:standard -linkall))
  (flags
   (:standard)