diff --git a/package.json b/package.json
index 97531acfb..8811523c1 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     ]
   },
   "devDependencies": {
-    "@abaplint/cli": "^2.113.21",
+    "@abaplint/cli": "^2.113.31",
     "@abaplint/database-sqlite": "^2.10.20",
     "@abaplint/runtime": "^2.10.20",
     "express": "^4.21.1",
@@ -31,6 +31,6 @@
     "globals": "^15.11.0",
     "abapmerge": "^0.16.6",
     "c8": "^10.1.2",
-    "eslint": "^9.12.0"
+    "eslint": "^9.13.0"
   }
 }
diff --git a/src/git/zcl_abapgit_git_pack.clas.abap b/src/git/zcl_abapgit_git_pack.clas.abap
index cdea8850f..a8799b0e3 100644
--- a/src/git/zcl_abapgit_git_pack.clas.abap
+++ b/src/git/zcl_abapgit_git_pack.clas.abap
@@ -178,14 +178,18 @@ CLASS zcl_abapgit_git_pack IMPLEMENTATION.
     lv_data = iv_data.
 
 * header
-    IF NOT xstrlen( lv_data ) > 4 OR lv_data(4) <> c_pack_start.
-      zcx_abapgit_exception=>raise( |Unexpected pack header| ).
+    IF xstrlen( lv_data ) < 4.
+      zcx_abapgit_exception=>raise( |Unexpected pack header, short reply| ).
+    ENDIF.
+
+    IF lv_data(4) <> c_pack_start.
+      zcx_abapgit_exception=>raise( |Unexpected pack header, { lv_data(4) }| ).
     ENDIF.
     lv_data = lv_data+4.
 
 * version
     IF lv_data(4) <> c_version.
-      zcx_abapgit_exception=>raise( |Version not supported| ).
+      zcx_abapgit_exception=>raise( |Version not supported, { lv_data(4) }| ).
     ENDIF.
     lv_data = lv_data+4.
 
diff --git a/test/src/zcl_abapgit_integration_gitv2.clas.testclasses.abap b/test/src/zcl_abapgit_integration_gitv2.clas.testclasses.abap
index 4f182595f..b8844d0ae 100644
--- a/test/src/zcl_abapgit_integration_gitv2.clas.testclasses.abap
+++ b/test/src/zcl_abapgit_integration_gitv2.clas.testclasses.abap
@@ -48,7 +48,8 @@ CLASS ltcl_test IMPLEMENTATION.
     DATA lt_objects TYPE zif_abapgit_definitions=>ty_objects_tt.
     DATA lt_sha1    TYPE zif_abapgit_git_definitions=>ty_sha1_tt.
 
-    INSERT '7bdd8f9f4c6bb0ece461b78c7b559957fad6c3ae' INTO TABLE lt_sha1.
+* todo, given the sha1, this test might fail after a year?
+    INSERT 'e83a31ebafde4e8e7e80ca36662e42e8f20895c5' INTO TABLE lt_sha1.
 
     lt_objects = zcl_abapgit_git_factory=>get_v2_porcelain( )->commits_last_year(
       iv_url  = 'https://github.com/abapGit/abapGit.git'