diff --git a/.teamcity/MacOS/Project.kt b/.teamcity/MacOS/Project.kt
index 1df5923..ee6cced 100644
--- a/.teamcity/MacOS/Project.kt
+++ b/.teamcity/MacOS/Project.kt
@@ -1,3 +1,4 @@
+// Copyright © 2025 CCP ehf.
 package MacOS
 
 import jetbrains.buildServer.configs.kotlin.DslContext
diff --git a/.teamcity/Windows/Project.kt b/.teamcity/Windows/Project.kt
index 7683f0a..4d194c2 100644
--- a/.teamcity/Windows/Project.kt
+++ b/.teamcity/Windows/Project.kt
@@ -1,3 +1,4 @@
+// Copyright © 2025 CCP ehf.
 package Windows
 
 import jetbrains.buildServer.configs.kotlin.DslContext
diff --git a/.teamcity/_Self.kt/Project.kt b/.teamcity/_Self.kt/Project.kt
index a5ceac4..6aec70f 100644
--- a/.teamcity/_Self.kt/Project.kt
+++ b/.teamcity/_Self.kt/Project.kt
@@ -1,3 +1,4 @@
+// Copyright © 2025 CCP ehf.
 package _Self
 
 import _Self.buildTypes.*
diff --git a/.teamcity/_Self.kt/buildTypes/CreateUniversalBuilds.kt b/.teamcity/_Self.kt/buildTypes/CreateUniversalBuilds.kt
index 7c9ff2f..58aa799 100644
--- a/.teamcity/_Self.kt/buildTypes/CreateUniversalBuilds.kt
+++ b/.teamcity/_Self.kt/buildTypes/CreateUniversalBuilds.kt
@@ -1,3 +1,4 @@
+// Copyright © 2026 CCP ehf.
 package _Self.buildTypes
 
 import jetbrains.buildServer.configs.kotlin.*
diff --git a/.teamcity/_Self.kt/buildTypes/PublishToPerforce.kt b/.teamcity/_Self.kt/buildTypes/PublishToPerforce.kt
index f2b3aec..a65b3ad 100644
--- a/.teamcity/_Self.kt/buildTypes/PublishToPerforce.kt
+++ b/.teamcity/_Self.kt/buildTypes/PublishToPerforce.kt
@@ -1,3 +1,4 @@
+// Copyright © 2025 CCP ehf.
 package _Self.buildTypes
 
 import jetbrains.buildServer.configs.kotlin.*
diff --git a/.teamcity/settings.kts b/.teamcity/settings.kts
index d8b050f..520880f 100644
--- a/.teamcity/settings.kts
+++ b/.teamcity/settings.kts
@@ -1,3 +1,4 @@
+// Copyright © 2025 CCP ehf.
 import jetbrains.buildServer.configs.kotlin.*
 import jetbrains.buildServer.configs.kotlin.Project
 
diff --git a/cmake/CcpBuildConfigurations.cmake b/cmake/CcpBuildConfigurations.cmake
index a738e11..ec6e00a 100644
--- a/cmake/CcpBuildConfigurations.cmake
+++ b/cmake/CcpBuildConfigurations.cmake
@@ -1,4 +1,4 @@
-# Copyright © 2026 CCP ehf.
+# Copyright © 2025 CCP ehf.
 #[[
 Defines our supported build configurations, also known as build flavors.
 
diff --git a/cmake/CcpDocsGenerator.cmake b/cmake/CcpDocsGenerator.cmake
index 8b14b1a..1d59668 100644
--- a/cmake/CcpDocsGenerator.cmake
+++ b/cmake/CcpDocsGenerator.cmake
@@ -1,4 +1,4 @@
-# Copyright © 2026 CCP ehf.
+# Copyright © 2025 CCP ehf.
 function(_create_venv_and_install_packages)
     set(options "")
     set(single_value_keywords "PYTHON_EXE;VENV_NAME")
diff --git a/cmake/CcpTargetConfigurations.cmake b/cmake/CcpTargetConfigurations.cmake
index e3e5d40..254372a 100644
--- a/cmake/CcpTargetConfigurations.cmake
+++ b/cmake/CcpTargetConfigurations.cmake
@@ -1,4 +1,4 @@
-# Copyright © 2026 CCP ehf.
+# Copyright © 2025 CCP ehf.
 macro(ensure_correct_target_type target)
     get_target_property(target_type ${target} TYPE)
     if(${target_type} STREQUAL "INTERFACE_LIBRARY")
diff --git a/cmake/PyTestDiscoverTests.cmake b/cmake/PyTestDiscoverTests.cmake
index 2c90147..6a71ab0 100644
--- a/cmake/PyTestDiscoverTests.cmake
+++ b/cmake/PyTestDiscoverTests.cmake
@@ -1,4 +1,4 @@
-# Copyright © 2026 CCP ehf.
+# Copyright © 2025 CCP ehf.
 #[[
   Automatically add tests with CTest by querying the compiled test executable
   for available tests.
diff --git a/cmake/internal/PyTestDiscoverTestsImpl.cmake b/cmake/internal/PyTestDiscoverTestsImpl.cmake
index 6ad6a5a..8184683 100644
--- a/cmake/internal/PyTestDiscoverTestsImpl.cmake
+++ b/cmake/internal/PyTestDiscoverTestsImpl.cmake
@@ -1,4 +1,4 @@
-# Copyright © 2026 CCP ehf.
+# Copyright © 2025 CCP ehf.
 # Overwrite possibly existing ${_CTEST_FILE} with empty file
 set(flush_tests_MODE WRITE)
 
diff --git a/python/geo2/__init__.py b/python/geo2/__init__.py
index b47e388..d927684 100644
--- a/python/geo2/__init__.py
+++ b/python/geo2/__init__.py
@@ -1,4 +1,4 @@
-# Copyright © 2026 CCP ehf.
+# Copyright © 2021 CCP ehf.
 import blue
 import sys
 
diff --git a/python/geo2/test/test_geo2Vector3.py b/python/geo2/test/test_geo2Vector3.py
index 311b4a7..ddf030a 100644
--- a/python/geo2/test/test_geo2Vector3.py
+++ b/python/geo2/test/test_geo2Vector3.py
@@ -1,4 +1,4 @@
-# Copyright © 2026 CCP ehf.
+# Copyright © 2014 CCP ehf.
 import unittest
 import geo2
 
diff --git a/python/geo2helpers/__init__.py b/python/geo2helpers/__init__.py
index da10715..f3c2ecb 100644
--- a/python/geo2helpers/__init__.py
+++ b/python/geo2helpers/__init__.py
@@ -1,4 +1,4 @@
-# Copyright © 2026 CCP ehf.
+# Copyright © 2014 CCP ehf.
 # Code in __init__.py is free from the geo2 dependency.
 # Bit odd to have a geo2helpers package free of geo2 dependency,
 # maybe we should've been named "mathhelpers" or something..?
diff --git a/python/geo2helpers/geo2helpers.py b/python/geo2helpers/geo2helpers.py
index 0450dbf..c2be30b 100644
--- a/python/geo2helpers/geo2helpers.py
+++ b/python/geo2helpers/geo2helpers.py
@@ -1,4 +1,4 @@
-# Copyright © 2026 CCP ehf.
+# Copyright © 2014 CCP ehf.
 # Geo2 matrices are all 4x4.
 import geo2
 
diff --git a/python/geo2helpers/test/__init__.py b/python/geo2helpers/test/__init__.py
index e74e0ab..1269563 100644
--- a/python/geo2helpers/test/__init__.py
+++ b/python/geo2helpers/test/__init__.py
@@ -1,4 +1,4 @@
-# Copyright © 2026 CCP ehf.
+# Copyright © 2014 CCP ehf.
 MATRIX_16 = [1.0, 0.0, 0.0, 0.0,
              0.0, 1.0, 0.0, 0.0,
              0.0, 0.0, 1.0, 0.0,
diff --git a/python/geo2helpers/test/test_geo2helpers.py b/python/geo2helpers/test/test_geo2helpers.py
index 4545cc7..e615d37 100644
--- a/python/geo2helpers/test/test_geo2helpers.py
+++ b/python/geo2helpers/test/test_geo2helpers.py
@@ -1,4 +1,4 @@
-# Copyright © 2026 CCP ehf.
+# Copyright © 2014 CCP ehf.
 import unittest
 
 import testhelpers
diff --git a/python/geo2helpers/test/test_main.py b/python/geo2helpers/test/test_main.py
index 77eec23..d599480 100644
--- a/python/geo2helpers/test/test_main.py
+++ b/python/geo2helpers/test/test_main.py
@@ -1,4 +1,4 @@
-# Copyright © 2026 CCP ehf.
+# Copyright © 2014 CCP ehf.
 import unittest
 
 import geo2helpers
diff --git a/src/Geo2.cpp b/src/Geo2.cpp
index e565705..dfd914d 100644
--- a/src/Geo2.cpp
+++ b/src/Geo2.cpp
@@ -1,4 +1,4 @@
-// Copyright © 2026 CCP ehf.
+// Copyright © 2014 CCP ehf.
 
 #include <CcpMath.h>
 #include <Python.h>
diff --git a/src/Util.cpp b/src/Util.cpp
index 78adb57..5cb1d98 100644
--- a/src/Util.cpp
+++ b/src/Util.cpp
@@ -1,4 +1,4 @@
-// Copyright © 2026 CCP ehf.
+// Copyright © 2014 CCP ehf.
 
 #include "Util.h"
 #include <algorithm>
diff --git a/src/Util.h b/src/Util.h
index 2812c33..583f739 100644
--- a/src/Util.h
+++ b/src/Util.h
@@ -1,4 +1,4 @@
-// Copyright © 2026 CCP ehf.
+// Copyright © 2014 CCP ehf.
 #pragma once
 #ifndef Util_h
 #define Util_h
diff --git a/src/Vector.cpp b/src/Vector.cpp
index 9c5fbd2..2646d6a 100644
--- a/src/Vector.cpp
+++ b/src/Vector.cpp
@@ -1,4 +1,4 @@
-// Copyright © 2026 CCP ehf.
+// Copyright © 2014 CCP ehf.
 #include "Vector.h"
 #include "Util.h"
 #ifndef _WIN32
diff --git a/src/Vector.h b/src/Vector.h
index 62c13d9..c0f68e4 100644
--- a/src/Vector.h
+++ b/src/Vector.h
@@ -1,4 +1,4 @@
-// Copyright © 2026 CCP ehf.
+// Copyright © 2014 CCP ehf.
 #pragma once
 #ifndef Vector_h
 #define Vector_h
diff --git a/src/VectorD.cpp b/src/VectorD.cpp
index 2cb80f7..b7a7841 100644
--- a/src/VectorD.cpp
+++ b/src/VectorD.cpp
@@ -1,4 +1,4 @@
-// Copyright © 2026 CCP ehf.
+// Copyright © 2014 CCP ehf.
 
 #include "Vector.h"
 #include "Util.h"
diff --git a/src/autoversion.h b/src/autoversion.h
index bfc2dc9..130d0f4 100644
--- a/src/autoversion.h
+++ b/src/autoversion.h
@@ -1,3 +1,4 @@
+// Copyright © 2014 CCP ehf.
 /*****************************************************************
  * Standin file - autogenerated files are just made by the build 
  * server.
@@ -10,6 +11,6 @@
 #define EVEVERSIONSTRING "9.9.9.9\0"
 #define EVEBUILDDATE "Sometime, someday, somewhere\0"
 #define EVECOMPANY "CCP hf.\0"
-#define EVECOPYRIGHT "© 2009 CCP hf. All rights reserved.\0"
+#define EVECOPYRIGHT "© 2009 CCP hf. All rights reserved.\0"
 #define EVEPRODUCTVER "9.9\0"
 /* end */
diff --git a/src/version.h b/src/version.h
index e807846..9672a2a 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1,3 +1,4 @@
+// Copyright © 2014 CCP ehf.
 #include "windows.h"
 
 #define EVEFILEDESC "CCP Math Library\0"