diff --git a/include/LZ77/LZType10.hpp b/include/LZ77/LZType10.hpp
index c613625..a3517bc 100644
--- a/include/LZ77/LZType10.hpp
+++ b/include/LZ77/LZType10.hpp
@@ -6,6 +6,6 @@ class LZType10 : public LZBase {
 public:
   explicit LZType10(atInt32 minimumOffset = 1, atInt32 SlidingWindow = 4096, atInt32 MinimumMatch = 3,
                     atInt32 BlockSize = 8);
-  atUint32 compress(const atUint8* src, atUint8** dstBuf, atUint32 srcLength);
-  atUint32 decompress(const atUint8* src, atUint8** dst, atUint32 srcLen);
+  atUint32 compress(const atUint8* src, atUint8** dstBuf, atUint32 srcLength) override;
+  atUint32 decompress(const atUint8* src, atUint8** dst, atUint32 srcLen) override;
 };
diff --git a/include/LZ77/LZType11.hpp b/include/LZ77/LZType11.hpp
index e5e1c99..7402319 100644
--- a/include/LZ77/LZType11.hpp
+++ b/include/LZ77/LZType11.hpp
@@ -6,6 +6,6 @@ class LZType11 : public LZBase {
 public:
   explicit LZType11(atInt32 MinimumOffset = 1, atInt32 SlidingWindow = 4096, atInt32 MinimumMatch = 3,
                     atInt32 BlockSize = 8);
-  atUint32 compress(const atUint8* src, atUint8** dst, atUint32 srcLength);
-  atUint32 decompress(const atUint8* src, atUint8** dst, atUint32 srcLength);
+  atUint32 compress(const atUint8* src, atUint8** dst, atUint32 srcLength) override;
+  atUint32 decompress(const atUint8* src, atUint8** dst, atUint32 srcLength) override;
 };
diff --git a/include/athena/FileReader.hpp b/include/athena/FileReader.hpp
index a11e410..123b3ab 100644
--- a/include/athena/FileReader.hpp
+++ b/include/athena/FileReader.hpp
@@ -18,7 +18,7 @@ class FileReader : public IStreamReader {
 public:
   FileReader(std::string_view filename, atInt32 cacheSize = (32 * 1024), bool globalErr = true);
   FileReader(std::wstring_view filename, atInt32 cacheSize = (32 * 1024), bool globalErr = true);
-  virtual ~FileReader();
+  ~FileReader() override;
 
   std::string filename() const {
 #if _WIN32
@@ -40,10 +40,10 @@ public:
   void close();
   bool isOpen() const { return m_fileHandle != 0; }
   bool save();
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
-  atUint64 position() const;
-  atUint64 length() const;
-  atUint64 readUBytesToBuf(void* buf, atUint64 len);
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
+  atUint64 position() const override;
+  atUint64 length() const override;
+  atUint64 readUBytesToBuf(void* buf, atUint64 len) override;
 
   void setCacheSize(const atInt32 blockSize);
 
diff --git a/include/athena/FileWriter.hpp b/include/athena/FileWriter.hpp
index e104e7f..a095d9b 100644
--- a/include/athena/FileWriter.hpp
+++ b/include/athena/FileWriter.hpp
@@ -15,7 +15,7 @@ class FileWriter : public IStreamWriter {
 public:
   FileWriter(std::string_view filename, bool overwrite = true, bool globalErr = true);
   FileWriter(std::wstring_view filename, bool overwrite = true, bool globalErr = true);
-  virtual ~FileWriter();
+  ~FileWriter() override;
 
   std::string filename() const {
 #if _WIN32
@@ -35,10 +35,10 @@ public:
   void open(bool overwrite = true);
   void close();
   bool isOpen() const { return m_fileHandle != 0; }
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
-  atUint64 position() const;
-  atUint64 length() const;
-  void writeUBytes(const atUint8* data, atUint64 len);
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
+  atUint64 position() const override;
+  atUint64 length() const override;
+  void writeUBytes(const atUint8* data, atUint64 len) override;
 
 #if _WIN32
   using HandleType = HANDLE;
@@ -99,12 +99,12 @@ public:
     m_position = 0;
   }
 
-  atUint64 position() const { return m_position; }
-  atUint64 length() const { return m_deferredBuffer.size(); }
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
-  void writeUBytes(const atUint8* data, atUint64 len);
+  atUint64 position() const override { return m_position; }
+  atUint64 length() const override { return m_deferredBuffer.size(); }
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
+  void writeUBytes(const atUint8* data, atUint64 len) override;
 
-  ~TransactionalFileWriter() { flush(); }
+  ~TransactionalFileWriter() override { flush(); }
 };
 } // namespace athena::io
 
diff --git a/include/athena/IStreamReader.hpp b/include/athena/IStreamReader.hpp
index 9468695..2826255 100644
--- a/include/athena/IStreamReader.hpp
+++ b/include/athena/IStreamReader.hpp
@@ -15,14 +15,14 @@ namespace athena::io {
  */
 class IStreamReader : public IStream {
 public:
-  virtual ~IStreamReader() = default;
+  ~IStreamReader() override = default;
 
   /** @brief Sets the buffers position relative to the specified position.<br />
    *         It seeks relative to the current position by default.
    *  @param position where in the buffer to seek
    *  @param origin The Origin to seek relative to
    */
-  virtual void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) = 0;
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override = 0;
 
   /** @brief Sets the buffer's position relative to the next 64-byte aligned position.<br />
    */
@@ -44,19 +44,19 @@ public:
    *
    *  @return True if at end; False otherwise.
    */
-  bool atEnd() const { return position() >= length(); }
+  bool atEnd() const override { return position() >= length(); }
 
   /** @brief Returns the current position in the stream.
    *
    *  @return The current position in the stream.
    */
-  virtual atUint64 position() const = 0;
+  atUint64 position() const override = 0;
 
   /** @brief Returns the length of the file.
    *
    *  @return True length of the file.
    */
-  virtual atUint64 length() const = 0;
+  atUint64 length() const override = 0;
 
   /** @brief Reads a byte at the current position and advances the current position
    *
diff --git a/include/athena/IStreamWriter.hpp b/include/athena/IStreamWriter.hpp
index 8dfa166..f0ea434 100644
--- a/include/athena/IStreamWriter.hpp
+++ b/include/athena/IStreamWriter.hpp
@@ -9,14 +9,14 @@
 namespace athena::io {
 class IStreamWriter : public IStream {
 public:
-  virtual ~IStreamWriter() = default;
+  ~IStreamWriter() override = default;
 
   /** @brief Sets the buffers position relative to the specified position.<br />
    *         It seeks relative to the current position by default.
    *  @param position where in the buffer to seek
    *  @param origin The location to seek relative to
    */
-  virtual void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) = 0;
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override = 0;
 
   /** @brief Sets the buffers position relative to the next 32-byte aligned position.<br />
    */
@@ -36,19 +36,19 @@ public:
    *
    *  @return True if at end; False otherwise.
    */
-  bool atEnd() const { return position() >= length(); }
+  bool atEnd() const override { return position() >= length(); }
 
   /** @brief Returns the current position in the stream.
    *
    *  @return The current position in the stream.
    */
-  virtual atUint64 position() const = 0;
+  atUint64 position() const override = 0;
 
   /** @brief Returns whether or not the stream is at the end.
    *
    *  @return True if at end; False otherwise.
    */
-  virtual atUint64 length() const = 0;
+  atUint64 length() const override = 0;
 
   /** @brief Writes a byte at the current position and advances the position by one byte.
    *  @param val The value to write
diff --git a/include/athena/MemoryReader.hpp b/include/athena/MemoryReader.hpp
index 821dba2..6d7064a 100644
--- a/include/athena/MemoryReader.hpp
+++ b/include/athena/MemoryReader.hpp
@@ -19,7 +19,7 @@ protected:
   MemoryReader() = default;
 
 public:
-  virtual ~MemoryReader();
+  ~MemoryReader() override;
 
   /*! \brief This constructor references an existing buffer to read from.
    *
@@ -34,19 +34,19 @@ public:
    *  \param position where in the buffer to seek
    *  \param origin The Origin to seek \sa SeekOrigin
    */
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
 
   /*! \brief Returns the current position in the stream.
    *
    *  \return Int64 The current position in the stream.
    */
-  atUint64 position() const { return m_position; }
+  atUint64 position() const override { return m_position; }
 
   /*! \brief Returns whether or not the stream is at the end.
    *
    *  \return bool True if at end; False otherwise.
    */
-  atUint64 length() const { return m_length; }
+  atUint64 length() const override { return m_length; }
 
   /*! \brief Sets the buffer to the given one, deleting the current one.<br />
    *         <b>BEWARE:</b> As this deletes the current buffer it WILL cause a loss of data
@@ -74,7 +74,7 @@ public:
    *  \param len Length to read
    *  \return Number of bytes read
    */
-  atUint64 readUBytesToBuf(void* buf, atUint64 len);
+  atUint64 readUBytesToBuf(void* buf, atUint64 len) override;
 
 protected:
   const void* m_data = nullptr;
diff --git a/include/athena/MemoryWriter.hpp b/include/athena/MemoryWriter.hpp
index 01f484f..b18a9bc 100644
--- a/include/athena/MemoryWriter.hpp
+++ b/include/athena/MemoryWriter.hpp
@@ -17,7 +17,7 @@ namespace athena::io {
  */
 class MemoryWriter : public IStreamWriter {
 public:
-  virtual ~MemoryWriter();
+  ~MemoryWriter() override;
 
   /*! @brief This constructor references an existing buffer to write to in-place.
    *
@@ -31,19 +31,19 @@ public:
    *  @param position where in the buffer to seek
    *  @param origin The Origin to seek @sa SeekOrigin
    */
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
 
   /*! @brief Returns the current position in the stream.
    *
    *  @return Int64 The current position in the stream.
    */
-  atUint64 position() const { return m_position; }
+  atUint64 position() const override { return m_position; }
 
   /*! @brief Returns the length of the stream.
    *
    *  @return Int64 The length of the stream.
    */
-  atUint64 length() const { return m_length; }
+  atUint64 length() const override { return m_length; }
 
   bool isOpen() const { return true; }
 
@@ -85,7 +85,7 @@ public:
    * @param data The buffer to write
    * @param length The amount to write
    */
-  void writeUBytes(const atUint8* data, atUint64 len);
+  void writeUBytes(const atUint8* data, atUint64 len) override;
 
 protected:
   MemoryWriter() {}
@@ -116,7 +116,7 @@ public:
    *  @param position where in the buffer to seek
    *  @param origin The Origin to seek @sa SeekOrigin
    */
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
 
   /*! @brief Sets the buffer to the given one, deleting the current one.<br />
    *         <b>BEWARE:</b> As this deletes the current buffer it WILL cause a loss of data
@@ -135,7 +135,7 @@ public:
    * @param data The buffer to write
    * @param length The amount to write
    */
-  void writeUBytes(const atUint8* data, atUint64 len);
+  void writeUBytes(const atUint8* data, atUint64 len) override;
 
 protected:
   std::unique_ptr<atUint8[]> m_dataCopy;
diff --git a/include/athena/VectorWriter.hpp b/include/athena/VectorWriter.hpp
index 13c45d2..7257812 100644
--- a/include/athena/VectorWriter.hpp
+++ b/include/athena/VectorWriter.hpp
@@ -22,19 +22,19 @@ public:
    *  @param position where in the buffer to seek
    *  @param origin The Origin to seek @sa SeekOrigin
    */
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
 
   /*! @brief Returns the current position in the stream.
    *
    *  @return Int64 The current position in the stream.
    */
-  atUint64 position() const { return m_position; }
+  atUint64 position() const override { return m_position; }
 
   /*! @brief Returns the length of the stream.
    *
    *  @return Int64 The length of the stream.
    */
-  atUint64 length() const { return m_data.size(); }
+  atUint64 length() const override { return m_data.size(); }
 
   bool isOpen() const { return true; }
 
@@ -48,7 +48,7 @@ public:
    * @param data The buffer to write
    * @param length The amount to write
    */
-  void writeUBytes(const atUint8* data, atUint64 len);
+  void writeUBytes(const atUint8* data, atUint64 len) override;
 
 protected:
   std::vector<uint8_t> m_data;