diff --git a/lib/hibf b/lib/hibf
index e3d948ee..220189cb 160000
--- a/lib/hibf
+++ b/lib/hibf
@@ -1 +1 @@
-Subproject commit e3d948eee9cb2e814d92154ba20834bb7052113b
+Subproject commit 220189cbbd11dd9dea87a3dc24083cf577c100e6
diff --git a/test/api/layout/execute_layout_test.cpp b/test/api/layout/execute_layout_test.cpp
index cd100ceb..2af23c1f 100755
--- a/test/api/layout/execute_layout_test.cpp
+++ b/test/api/layout/execute_layout_test.cpp
@@ -91,7 +91,7 @@ TEST(execute_test, few_ubs)
                                       "@    }\n"
                                       "@}\n"
                                       "@HIBF_CONFIG_END\n"
-                                      "#TOP_LEVEL_IBF fullest_technical_bin_idx:0\n"
+                                      "#TOP_LEVEL_IBF fullest_technical_bin_idx:42\n"
                                       "#USER_BIN_IDX\tTECHNICAL_BIN_INDICES\tNUMBER_OF_TECHNICAL_BINS\n"
                                       "7\t0\t6\n"
                                       "6\t6\t6\n"
diff --git a/test/api/layout/execute_with_estimation_test.cpp b/test/api/layout/execute_with_estimation_test.cpp
index 4e28ee2f..145b2cf7 100644
--- a/test/api/layout/execute_with_estimation_test.cpp
+++ b/test/api/layout/execute_with_estimation_test.cpp
@@ -267,7 +267,7 @@ TEST(execute_estimation_test, many_ubs)
                                       "@    }\n"
                                       "@}\n"
                                       "@HIBF_CONFIG_END\n"
-                                      "#TOP_LEVEL_IBF fullest_technical_bin_idx:36\n"
+                                      "#TOP_LEVEL_IBF fullest_technical_bin_idx:96\n"
                                       "#LOWER_LEVEL_IBF_14 fullest_technical_bin_idx:24\n"
                                       "#LOWER_LEVEL_IBF_15 fullest_technical_bin_idx:24\n"
                                       "#USER_BIN_IDX\tTECHNICAL_BIN_INDICES\tNUMBER_OF_TECHNICAL_BINS\n"