diff --git a/build_helpers/TA_Lib-0.4.17-cp37-cp37m-win_amd64.whl b/build_helpers/TA_Lib-0.4.17-cp37-cp37m-win_amd64.whl
deleted file mode 100644
index 87469a199..000000000
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diff --git a/build_helpers/TA_Lib-0.4.17-cp38-cp38-win_amd64.whl b/build_helpers/TA_Lib-0.4.17-cp38-cp38-win_amd64.whl
deleted file mode 100644
index 90626b183..000000000
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diff --git a/build_helpers/TA_Lib-0.4.18-cp37-cp37m-win_amd64.whl b/build_helpers/TA_Lib-0.4.18-cp37-cp37m-win_amd64.whl
new file mode 100644
index 000000000..bd61e812b
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diff --git a/build_helpers/TA_Lib-0.4.18-cp38-cp38-win_amd64.whl b/build_helpers/TA_Lib-0.4.18-cp38-cp38-win_amd64.whl
new file mode 100644
index 000000000..f81addb44
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diff --git a/build_helpers/install_windows.ps1 b/build_helpers/install_windows.ps1
index 7dbdd77dd..0a55b6ddd 100644
--- a/build_helpers/install_windows.ps1
+++ b/build_helpers/install_windows.ps1
@@ -7,10 +7,10 @@ python -m pip install --upgrade pip
 $pyv = python -c "import sys; print(f'{sys.version_info.major}.{sys.version_info.minor}')"
 
 if ($pyv -eq '3.7') {
-    pip install build_helpers\TA_Lib-0.4.17-cp37-cp37m-win_amd64.whl
+    pip install build_helpers\TA_Lib-0.4.18-cp37-cp37m-win_amd64.whl
 }
 if ($pyv -eq '3.8') {
-    pip install build_helpers\TA_Lib-0.4.17-cp38-cp38-win_amd64.whl
+    pip install build_helpers\TA_Lib-0.4.18-cp38-cp38-win_amd64.whl
 }
 
 pip install -r requirements-dev.txt