diff --git a/postgresql_extensions/src/repository/portal_corp/repository.rs b/postgresql_extensions/src/repository/portal_corp/repository.rs
index b9a51b8..0cc402d 100644
--- a/postgresql_extensions/src/repository/portal_corp/repository.rs
+++ b/postgresql_extensions/src/repository/portal_corp/repository.rs
@@ -78,8 +78,8 @@ impl Repository for PortalCorp {
         archive: &[u8],
     ) -> Result<Vec<PathBuf>> {
         let mut extract_directories = ExtractDirectories::default();
-        extract_directories.add_mapping(Regex::new(r"(\.dll|\.dylib|\.so)")?, library_dir);
-        extract_directories.add_mapping(Regex::new(r"(\.control|\.sql)")?, extension_dir);
+        extract_directories.add_mapping(Regex::new(r"\.(dll|dylib|so)$")?, library_dir);
+        extract_directories.add_mapping(Regex::new(r"\.(control|sql)$")?, extension_dir);
         let bytes = &archive.to_vec();
         let files = zip_extract(bytes, extract_directories)?;
         Ok(files)
diff --git a/postgresql_extensions/src/repository/steampipe/repository.rs b/postgresql_extensions/src/repository/steampipe/repository.rs
index 718fda9..5ab39eb 100644
--- a/postgresql_extensions/src/repository/steampipe/repository.rs
+++ b/postgresql_extensions/src/repository/steampipe/repository.rs
@@ -91,8 +91,8 @@ impl Repository for Steampipe {
         archive: &[u8],
     ) -> Result<Vec<PathBuf>> {
         let mut extract_directories = ExtractDirectories::default();
-        extract_directories.add_mapping(Regex::new(r"(\.dll|\.dylib|\.so)")?, library_dir);
-        extract_directories.add_mapping(Regex::new(r"(\.control|\.sql)")?, extension_dir);
+        extract_directories.add_mapping(Regex::new(r"\.(dll|dylib|so)$")?, library_dir);
+        extract_directories.add_mapping(Regex::new(r"\.(control|sql)$")?, extension_dir);
         let bytes = &archive.to_vec();
         let files = tar_gz_extract(bytes, extract_directories)?;
         Ok(files)
diff --git a/postgresql_extensions/src/repository/tensor_chord/repository.rs b/postgresql_extensions/src/repository/tensor_chord/repository.rs
index e14040e..2b7d2ab 100644
--- a/postgresql_extensions/src/repository/tensor_chord/repository.rs
+++ b/postgresql_extensions/src/repository/tensor_chord/repository.rs
@@ -78,8 +78,8 @@ impl Repository for TensorChord {
         archive: &[u8],
     ) -> Result<Vec<PathBuf>> {
         let mut extract_directories = ExtractDirectories::default();
-        extract_directories.add_mapping(Regex::new(r"(\.dll|\.dylib|\.so)")?, library_dir);
-        extract_directories.add_mapping(Regex::new(r"(\.control|\.sql)")?, extension_dir);
+        extract_directories.add_mapping(Regex::new(r"\.(dll|dylib|so)$")?, library_dir);
+        extract_directories.add_mapping(Regex::new(r"\.(control|sql)$")?, extension_dir);
         let bytes = &archive.to_vec();
         let files = zip_extract(bytes, extract_directories)?;
         Ok(files)