diff --git a/drivers.json b/drivers.json
index 93fbacc..a0f8b3b 100644
--- a/drivers.json
+++ b/drivers.json
@@ -5372,6 +5372,15 @@
                     "patch64_url": "win10_x64/617.42/nvencodeapi64.1337",
                     "patch32_url": "win10_x64/617.42/nvencodeapi.1337",
                     "driver_url": "https://international.download.nvidia.com/Windows/617.42/617.42-desktop-win10-win11-64bit-international-dch-whql.exe"
+                },
+                {
+                    "os": "win10",
+                    "product": "GeForce",
+                    "version": "621.01",
+                    "variant": "DCH",
+                    "patch64_url": "win10_x64/621.01/nvencodeapi64.1337",
+                    "patch32_url": "win10_x64/621.01/nvencodeapi.1337",
+                    "driver_url": "https://international.download.nvidia.com/Windows/621.01/621.01-desktop-win10-win11-64bit-international-dch-whql.exe"
                 }
             ]
         }
diff --git a/win/README.md b/win/README.md
index 702e562..3911f13 100644
--- a/win/README.md
+++ b/win/README.md
@@ -1,7 +1,7 @@
 NVENC and NvFBC patches for Windows Nvidia drivers
 ==================================================
 
-![GitHub last commit](https://img.shields.io/github/last-commit/keylase/nvidia-patch.svg) ![Latest GeForce version](https://img.shields.io/badge/latest%20GeForce%20version-617.42-brightgreen.svg) ![Latest Quadro version](https://img.shields.io/badge/latest%20Quadro%20version-582.16-blue.svg)
+![GitHub last commit](https://img.shields.io/github/last-commit/keylase/nvidia-patch.svg) ![Latest GeForce version](https://img.shields.io/badge/latest%20GeForce%20version-621.01-brightgreen.svg) ![Latest Quadro version](https://img.shields.io/badge/latest%20Quadro%20version-582.16-blue.svg)
 
 NVENC patch removes restriction on maximum number of simultaneous NVENC video encoding sessions imposed by Nvidia to consumer-grade GPUs.
 
@@ -42,7 +42,7 @@ If you like this project, best way to contribute is by sending PRs and fixing do
 5. Apply x86 library patch to corresponding file in `%WINDIR%\SysWOW64\` in the same way as previous one.
    - *If patching fails, close all applications using nvencodeapi.dll, such as OBS Studio, Plex or Discord.*
 
-**Example:** for 64bit Windows 10 running driver version 617.42, use `win10_x64/617.42/nvencodeapi64.1337` against `C:\WINDOWS\system32\nvencodeapi64.dll` **and** `win10_x64/617.42/nvencodeapi.1337` against `C:\WINDOWS\SysWOW64\nvencodeapi.dll`.
+**Example:** for 64bit Windows 10 running driver version 621.01, use `win10_x64/621.01/nvencodeapi64.1337` against `C:\WINDOWS\system32\nvencodeapi64.dll` **and** `win10_x64/621.01/nvencodeapi.1337` against `C:\WINDOWS\SysWOW64\nvencodeapi.dll`.
 
 If you still get "problem occured when patching" error, refer to the [instructions to change the ownership of the DLLs](https://github.com/keylase/nvidia-patch/issues/795#issuecomment-2225573296) by @VorlonCD
 
@@ -312,6 +312,7 @@ Credits to [TroubleChute channel](https://www.youtube.com/channel/UCkih2oVTbXPEp
 | GeForce | 616.92 DCH | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/616.92/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/616.92/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/616.92/616.92-desktop-win10-win11-64bit-international-nsd-dch-whql.exe) |
 | GeForce | 617.14 DCH | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/617.14/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/617.14/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/617.14/617.14-desktop-win10-win11-64bit-international-dch-whql.exe) |
 | GeForce | 617.42 DCH | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/617.42/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/617.42/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/617.42/617.42-desktop-win10-win11-64bit-international-dch-whql.exe) |
+| GeForce | 621.01 DCH | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/621.01/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/621.01/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/621.01/621.01-desktop-win10-win11-64bit-international-dch-whql.exe) |
 
 
 | Product series | Version | x64 library patch | x86 library patch | Driver link |
diff --git a/win/win10_x64/621.01/nvencodeapi.1337 b/win/win10_x64/621.01/nvencodeapi.1337
new file mode 100644
index 0000000..b516c45
--- /dev/null
+++ b/win/win10_x64/621.01/nvencodeapi.1337
@@ -0,0 +1,9 @@
+>nvencodeapi.dll
+000000000004662E:89->31
+000000000004662F:85->C0
+0000000000046630:EC->89
+0000000000046631:FB->85
+0000000000046632:FF->EC
+0000000000046633:FF->FB
+0000000000046634:85->FF
+0000000000046635:C0->FF
\ No newline at end of file
diff --git a/win/win10_x64/621.01/nvencodeapi64.1337 b/win/win10_x64/621.01/nvencodeapi64.1337
new file mode 100644
index 0000000..ed1dbf4
--- /dev/null
+++ b/win/win10_x64/621.01/nvencodeapi64.1337
@@ -0,0 +1,8 @@
+>nvencodeapi64.dll
+000000000004D631:8B->33
+000000000004D632:F0->C0
+000000000004D633:45->8B
+000000000004D634:33->F0
+000000000004D635:FF->45
+000000000004D636:85->33
+000000000004D637:C0->FF
\ No newline at end of file