4 files changed, 5 insertions, 5 deletions
diff --git a/package/inc/CRC32.hxx b/package/inc/CRC32.hxx
index e19ed60d99c3..0791875217cb 100644
--- a/package/inc/CRC32.hxx
+++ b/package/inc/CRC32.hxx
@@ -39,7 +39,7 @@ public:
     /// @throws css::uno::RuntimeException
     void update(const css::uno::Sequence< sal_Int8 > &b);
     /// @throws css::uno::RuntimeException
-    sal_Int32 getValue();
+    sal_Int32 getValue() const;
     /// @throws css::uno::RuntimeException
     void reset();
 };
diff --git a/package/inc/ZipOutputEntry.hxx b/package/inc/ZipOutputEntry.hxx
index 7234d890f4c2..3bace59698b5 100644
--- a/package/inc/ZipOutputEntry.hxx
+++ b/package/inc/ZipOutputEntry.hxx
@@ -57,7 +57,7 @@ public:
 
     ZipEntry* getZipEntry() { return m_pCurrentEntry; }
     ZipPackageStream* getZipPackageStream() { return m_pCurrentStream; }
-    bool isEncrypt() { return m_bEncryptCurrentEntry; }
+    bool isEncrypt() const { return m_bEncryptCurrentEntry; }
 
     void closeEntry();
 
diff --git a/package/inc/ZipOutputStream.hxx b/package/inc/ZipOutputStream.hxx
index b527abde1443..aeb7ab1f86e8 100644
--- a/package/inc/ZipOutputStream.hxx
+++ b/package/inc/ZipOutputStream.hxx
@@ -63,7 +63,7 @@ public:
     /// @throws css::io::IOException
     /// @throws css::uno::RuntimeException
     void finish();
-    const css::uno::Reference< css::io::XOutputStream >& getStream();
+    const css::uno::Reference< css::io::XOutputStream >& getStream() const;
 
     static sal_uInt32 getCurrentDosTime();
     static void setEntry( ZipEntry *pEntry );
@@ -87,7 +87,7 @@ public:
     void reduceScheduledThreadTasksToGivenNumberOrLess(
         sal_Int32 nThreadTasks);
 
-    const std::shared_ptr<comphelper::ThreadTaskTag>& getThreadTaskTag() { return mpThreadTaskTag; }
+    const std::shared_ptr<comphelper::ThreadTaskTag>& getThreadTaskTag() const { return mpThreadTaskTag; }
 };
 
 #endif
diff --git a/package/inc/ZipPackageStream.hxx b/package/inc/ZipPackageStream.hxx
index 7909c8818107..ffd791c8aca0 100644
--- a/package/inc/ZipPackageStream.hxx
+++ b/package/inc/ZipPackageStream.hxx
@@ -87,7 +87,7 @@ public:
 
     css::uno::Sequence<sal_Int8> GetEncryptionKey(Bugs bugs = Bugs::None);
 
-    sal_Int32 GetStartKeyGenID();
+    sal_Int32 GetStartKeyGenID() const;
 
     sal_Int32 GetEncryptionAlgorithm() const;
     sal_Int32 GetBlockSize() const;