diff --git a/.github/workflows/alpinelinux.yml b/.github/workflows/alpinelinux.yml
index 365835d..971a483 100644
--- a/.github/workflows/alpinelinux.yml
+++ b/.github/workflows/alpinelinux.yml
@@ -2,9 +2,9 @@ name: alpinelinux
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   alpinelinux:
diff --git a/.github/workflows/archlinux.yml b/.github/workflows/archlinux.yml
index 63f98f0..ccd179a 100644
--- a/.github/workflows/archlinux.yml
+++ b/.github/workflows/archlinux.yml
@@ -2,9 +2,9 @@ name: archlinux
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   archlinux:
diff --git a/.github/workflows/centos.yml b/.github/workflows/centos.yml
index 2466117..5be63bc 100644
--- a/.github/workflows/centos.yml
+++ b/.github/workflows/centos.yml
@@ -2,9 +2,9 @@ name: CentOS Linux
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   centos8:
diff --git a/.github/workflows/codacy-analysis.yml b/.github/workflows/codacy-analysis.yml
index 56ac05b..7e66e4a 100644
--- a/.github/workflows/codacy-analysis.yml
+++ b/.github/workflows/codacy-analysis.yml
@@ -2,9 +2,9 @@ name: codacy-analysis
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   codacy-analysis:
diff --git a/.github/workflows/debian.yml b/.github/workflows/debian.yml
index 8e760b3..00c8394 100644
--- a/.github/workflows/debian.yml
+++ b/.github/workflows/debian.yml
@@ -2,9 +2,9 @@ name: Debian GNU/Linux
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   test:
diff --git a/.github/workflows/fedora.yml b/.github/workflows/fedora.yml
index 0896dfd..67ddfaa 100644
--- a/.github/workflows/fedora.yml
+++ b/.github/workflows/fedora.yml
@@ -2,9 +2,9 @@ name: Fedora
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   test:
diff --git a/.github/workflows/freebsd.yml b/.github/workflows/freebsd.yml
index 5c0f606..8652cb6 100644
--- a/.github/workflows/freebsd.yml
+++ b/.github/workflows/freebsd.yml
@@ -2,9 +2,9 @@ name: FreeBSD
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   freebsd:
diff --git a/.github/workflows/gentoo.yml b/.github/workflows/gentoo.yml
index 30ad08e..aea7a5e 100644
--- a/.github/workflows/gentoo.yml
+++ b/.github/workflows/gentoo.yml
@@ -2,9 +2,9 @@ name: gentoo
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   gentoo:
diff --git a/.github/workflows/linuxmint.yml b/.github/workflows/linuxmint.yml
index 7140749..c67b574 100644
--- a/.github/workflows/linuxmint.yml
+++ b/.github/workflows/linuxmint.yml
@@ -2,9 +2,9 @@ name: LinuxMint
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   test:
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index ef6a5e6..0ca6b63 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -2,9 +2,9 @@ name: macos
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
 
diff --git a/.github/workflows/manjaro.yml b/.github/workflows/manjaro.yml
index 0a27df2..833ef74 100644
--- a/.github/workflows/manjaro.yml
+++ b/.github/workflows/manjaro.yml
@@ -2,9 +2,9 @@ name: Manjaro Linux
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   test:
diff --git a/.github/workflows/netbsd.yml b/.github/workflows/netbsd.yml
index 776807c..5c052d4 100644
--- a/.github/workflows/netbsd.yml
+++ b/.github/workflows/netbsd.yml
@@ -2,9 +2,9 @@ name: NetBSD
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   netbsd:
diff --git a/.github/workflows/openbsd.yml b/.github/workflows/openbsd.yml
index 6c06ba4..394ce0e 100644
--- a/.github/workflows/openbsd.yml
+++ b/.github/workflows/openbsd.yml
@@ -2,9 +2,9 @@ name: OpenBSD
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   openbsd:
diff --git a/.github/workflows/opensuse.yml b/.github/workflows/opensuse.yml
index e7edb33..eec5a65 100644
--- a/.github/workflows/opensuse.yml
+++ b/.github/workflows/opensuse.yml
@@ -2,9 +2,9 @@ name: openSUSE
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   opensuse:
diff --git a/.github/workflows/ppkg.yml b/.github/workflows/ppkg.yml
index ec9de81..06f2cf7 100644
--- a/.github/workflows/ppkg.yml
+++ b/.github/workflows/ppkg.yml
@@ -2,9 +2,9 @@ name: ppkg
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   ppkg:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0a62c01..bed00f1 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          ref: 0.15.2
+          ref: 0.15.3
 
       - id:  check-if-has-new-commit
         run: |
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index aa62801..1c8c71b 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -2,9 +2,9 @@ name: ubuntu
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   vcpkg:
diff --git a/.github/workflows/valgrind.yml b/.github/workflows/valgrind.yml
index 0871d4b..bf21bb5 100644
--- a/.github/workflows/valgrind.yml
+++ b/.github/workflows/valgrind.yml
@@ -2,9 +2,9 @@ name: valgrind
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   valgrind:
diff --git a/.github/workflows/voidlinux.yml b/.github/workflows/voidlinux.yml
index 9cca67a..c424db8 100644
--- a/.github/workflows/voidlinux.yml
+++ b/.github/workflows/voidlinux.yml
@@ -2,9 +2,9 @@ name: voidlinux
 
 on:
   push:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
   pull_request:
-    branches: [ 0.15.2 ]
+    branches: [ 0.15.3 ]
 
 jobs:
   voidlinux:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 30483d5..25136dc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,10 +2,10 @@ cmake_minimum_required(VERSION 3.0)
 
 project(uppm C)
 
-set(PROJECT_VERSION       0.15.2)
+set(PROJECT_VERSION       0.15.3)
 set(PROJECT_VERSION_MAJOR 0)
 set(PROJECT_VERSION_MINOR 15)
-set(PROJECT_VERSION_PATCH 2)
+set(PROJECT_VERSION_PATCH 3)
 
 set(CMAKE_C_STANDARD 99)
 set(CMAKE_C_STANDARD_REQUIRED ON)
diff --git a/src/core/tar.c b/src/core/tar.c
index d3faa83..f098caa 100644
--- a/src/core/tar.c
+++ b/src/core/tar.c
@@ -44,7 +44,13 @@ int tar_list(const char * inputFilePath, int flags) {
 
 finalize:
     if (ret != ARCHIVE_OK) {
-        fprintf(stdout, "%s\n", archive_error_string(ar));
+        const char * errorMessage = archive_error_string(ar);
+
+        if (errorMessage == NULL || errorMessage[0] == '\0') {
+            fprintf(stderr, "unknown error.\n");
+        } else {
+            fprintf(stderr, "%s\n", errorMessage);
+        }
     }
 
 	archive_read_close(ar);
@@ -97,11 +103,9 @@ int tar_extract(const char * outputDir, const char * inputFilePath, int flags, b
         const char * entry_pathname = archive_entry_pathname(entry);
 
         if (stripComponentsNumber > 0U) {
-            size_t entry_pathname_length = strlen(entry_pathname);
-
-            for (size_t i = 0; i < entry_pathname_length; i++) {
+            for (size_t i = 0; entry_pathname[i] != '\0'; i++) {
                 if (entry_pathname[i] == '/') {
-                    entry_pathname = entry_pathname + i + 1U;
+                    entry_pathname += i + 1U;
                     break;
                 }
             }
@@ -131,10 +135,9 @@ int tar_extract(const char * outputDir, const char * inputFilePath, int flags, b
 
         if (hardlinkname != NULL) {
             if (stripComponentsNumber > 0U) {
-                size_t hardlinkname_length = strlen(hardlinkname);
-                for (size_t i = 0; i < hardlinkname_length; i++) {
+                for (size_t i = 0; hardlinkname[i] != '\0'; i++) {
                     if (hardlinkname[i] == '/') {
-                        hardlinkname = hardlinkname + i + 1U;
+                        hardlinkname += i + 1U;
                         break;
                     }
                 }
@@ -194,7 +197,15 @@ int tar_extract(const char * outputDir, const char * inputFilePath, int flags, b
 
 finalize:
     if (ret != ARCHIVE_OK) {
-        fprintf(stdout, "%s\n", archive_error_string(ar));
+        const char * errorMessage = archive_error_string(ar);
+
+        if (errorMessage == NULL || errorMessage[0] == '\0') {
+            fprintf(stderr, "unknown error.\n");
+        } else {
+            fprintf(stderr, "%s\n", errorMessage);
+        }
+
+        fprintf(stderr, "%s\n", errorMessage);
     }
 
 	archive_read_close(ar);
@@ -427,7 +438,14 @@ int tar_create(const char * inputDir, const char * outputFilePath, ArchiveType t
 
 finalize:
     if (ret != ARCHIVE_OK) {
-        fprintf(stdout, "%s\n", archive_error_string(ar));
+        const char * errorMessage = archive_error_string(ar);
+
+        if (errorMessage == NULL || errorMessage[0] == '\0') {
+            fprintf(stderr, "unknown error.\n");
+        } else {
+            fprintf(stderr, "%s\n", errorMessage);
+        }
+
         archive_read_close(ar);
         archive_read_free(ar);
     }