diff --git a/doc/user_guide/user_guide.md b/doc/user_guide/user_guide.md
index 6f935c0b..c119430e 100644
--- a/doc/user_guide/user_guide.md
+++ b/doc/user_guide/user_guide.md
@@ -150,7 +150,7 @@ downloaded jar file is the same as the checksum provided in the releases.
 To check the SHA256 result of the local jar, run the command:
 
 ```sh
-sha256sum exasol-cloud-storage-extension-2.8.3.jar
+sha256sum exasol-cloud-storage-extension-2.8.4.jar
 ```
 
 ### Building From Source
@@ -180,7 +180,7 @@ mvn clean package -DskipTests=true
 ```
 
 The assembled jar file should be located at
-`target/exasol-cloud-storage-extension-2.8.3.jar`.
+`target/exasol-cloud-storage-extension-2.8.4.jar`.
 
 ### Create an Exasol Bucket
 
@@ -202,7 +202,7 @@ for the HTTP protocol.
 Upload the jar file using curl command:
 
 ```sh
-curl -X PUT -T exasol-cloud-storage-extension-2.8.3.jar \
+curl -X PUT -T exasol-cloud-storage-extension-2.8.4.jar \
   http://w:<WRITE_PASSWORD>@exasol.datanode.domain.com:2580/<BUCKET>/
 ```
 
@@ -234,7 +234,7 @@ OPEN SCHEMA CLOUD_STORAGE_EXTENSION;
 
 CREATE OR REPLACE JAVA SET SCRIPT IMPORT_PATH(...) EMITS (...) AS
   %scriptclass com.exasol.cloudetl.scriptclasses.FilesImportQueryGenerator;
-  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.3.jar;
+  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.4.jar;
 /
 
 CREATE OR REPLACE JAVA SCALAR SCRIPT IMPORT_METADATA(...) EMITS (
@@ -244,12 +244,12 @@ CREATE OR REPLACE JAVA SCALAR SCRIPT IMPORT_METADATA(...) EMITS (
   end_index DECIMAL(36, 0)
 ) AS
   %scriptclass com.exasol.cloudetl.scriptclasses.FilesMetadataReader;
-  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.3.jar;
+  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.4.jar;
 /
 
 CREATE OR REPLACE JAVA SET SCRIPT IMPORT_FILES(...) EMITS (...) AS
   %scriptclass com.exasol.cloudetl.scriptclasses.FilesDataImporter;
-  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.3.jar;
+  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.4.jar;
 /
 ```
 
@@ -268,12 +268,12 @@ OPEN SCHEMA CLOUD_STORAGE_EXTENSION;
 
 CREATE OR REPLACE JAVA SET SCRIPT EXPORT_PATH(...) EMITS (...) AS
   %scriptclass com.exasol.cloudetl.scriptclasses.TableExportQueryGenerator;
-  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.3.jar;
+  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.4.jar;
 /
 
 CREATE OR REPLACE JAVA SET SCRIPT EXPORT_TABLE(...) EMITS (ROWS_AFFECTED INT) AS
   %scriptclass com.exasol.cloudetl.scriptclasses.TableDataExporter;
-  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.3.jar;
+  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.4.jar;
 /
 ```
 
@@ -407,13 +407,13 @@ CREATE OR REPLACE JAVA SCALAR SCRIPT IMPORT_METADATA(...) EMITS (
 ) AS
   %jvmoption -DHTTPS_PROXY=http://username:password@10.10.1.10:1180
   %scriptclass com.exasol.cloudetl.scriptclasses.FilesMetadataReader;
-  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.3.jar;
+  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.4.jar;
 /
 
 CREATE OR REPLACE JAVA SET SCRIPT IMPORT_FILES(...) EMITS (...) AS
   %jvmoption -DHTTPS_PROXY=http://username:password@10.10.1.10:1180
   %scriptclass com.exasol.cloudetl.scriptclasses.FilesDataImporter;
-  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.3.jar;
+  %jar /buckets/bfsdefault/<BUCKET>/exasol-cloud-storage-extension-2.8.4.jar;
 /
 ```
 
diff --git a/extension/generate-description.sh b/extension/generate-description.sh
index 8225403a..24f8fca2 100755
--- a/extension/generate-description.sh
+++ b/extension/generate-description.sh
@@ -20,7 +20,12 @@ fi
 readonly complete_path="${all_built_files[0]}"
 file_name=$(basename "$complete_path")
 readonly file_name
-file_size_bytes=$(stat -c%s "$complete_path")
+case $(uname -s) in
+  Darwin*)
+    file_size_bytes=$(stat -f %z "$complete_path");;
+  *)
+    file_size_bytes=$(stat -c%s "$complete_path");;
+esac
 readonly file_size_bytes
 
 version=