diff --git a/pyproject.toml b/pyproject.toml
index c752ae8..0274d1a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,8 @@ dependencies = [
     "pg8000>=1.29.0",
     "flet>=0.82.2",
     "jose>=1.0.0",
-    "passlib>=1.7.4",
+    "passlib[bcrypt]>=1.7.4",
+    "bcrypt==4.0.1",
     "python-jose>=3.5.0",
     "matplotlib>=3.10.8",
     "python-docx>=1.2.0",
diff --git a/uv.lock b/uv.lock
index d1e46c5..884b41c 100644
--- a/uv.lock
+++ b/uv.lock
@@ -37,11 +37,12 @@ name = "api-copp"
 version = "0.3.0"
 source = { editable = "." }
 dependencies = [
+    { name = "bcrypt" },
     { name = "fastapi" },
     { name = "flet" },
     { name = "jose" },
     { name = "matplotlib" },
-    { name = "passlib" },
+    { name = "passlib", extra = ["bcrypt"] },
     { name = "pg8000" },
     { name = "pydantic" },
     { name = "python-docx" },
@@ -63,12 +64,13 @@ dev = [
 
 [package.metadata]
 requires-dist = [
+    { name = "bcrypt", specifier = "==4.0.1" },
     { name = "black", marker = "extra == 'dev'", specifier = ">=23.0.0" },
     { name = "fastapi", specifier = ">=0.128.0" },
     { name = "flet", specifier = ">=0.82.2" },
     { name = "jose", specifier = ">=1.0.0" },
     { name = "matplotlib", specifier = ">=3.10.8" },
-    { name = "passlib", specifier = ">=1.7.4" },
+    { name = "passlib", extras = ["bcrypt"], specifier = ">=1.7.4" },
     { name = "pg8000", specifier = ">=1.29.0" },
     { name = "pydantic", specifier = ">=2.12.5" },
     { name = "pytest", marker = "extra == 'dev'", specifier = ">=7.0.0" },
@@ -93,6 +95,25 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/c9/7f/09065fd9e27da0eda08b4d6897f1c13535066174cc023af248fc2a8d5e5a/asn1crypto-1.5.1-py2.py3-none-any.whl", hash = "sha256:db4e40728b728508912cbb3d44f19ce188f218e9eba635821bb4b68564f8fd67", size = 105045, upload-time = "2022-03-15T14:46:51.055Z" },
 ]
 
+[[package]]
+name = "bcrypt"
+version = "4.0.1"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/8c/ae/3af7d006aacf513975fd1948a6b4d6f8b4a307f8a244e1a3d3774b297aad/bcrypt-4.0.1.tar.gz", hash = "sha256:27d375903ac8261cfe4047f6709d16f7d18d39b1ec92aaf72af989552a650ebd", size = 25498, upload-time = "2022-10-09T15:36:49.775Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/78/d4/3b2657bd58ef02b23a07729b0df26f21af97169dbd0b5797afa9e97ebb49/bcrypt-4.0.1-cp36-abi3-macosx_10_10_universal2.whl", hash = "sha256:b1023030aec778185a6c16cf70f359cbb6e0c289fd564a7cfa29e727a1c38f8f", size = 473446, upload-time = "2022-10-09T15:36:25.481Z" },
+    { url = "https://files.pythonhosted.org/packages/ec/0a/1582790232fef6c2aa201f345577306b8bfe465c2c665dec04c86a016879/bcrypt-4.0.1-cp36-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.manylinux_2_24_aarch64.whl", hash = "sha256:08d2947c490093a11416df18043c27abe3921558d2c03e2076ccb28a116cb6d0", size = 583044, upload-time = "2022-10-09T15:37:09.447Z" },
+    { url = "https://files.pythonhosted.org/packages/41/16/49ff5146fb815742ad58cafb5034907aa7f166b1344d0ddd7fd1c818bd17/bcrypt-4.0.1-cp36-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:0eaa47d4661c326bfc9d08d16debbc4edf78778e6aaba29c1bc7ce67214d4410", size = 583189, upload-time = "2022-10-09T15:37:10.69Z" },
+    { url = "https://files.pythonhosted.org/packages/aa/48/fd2b197a9741fa790ba0b88a9b10b5e88e62ff5cf3e1bc96d8354d7ce613/bcrypt-4.0.1-cp36-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:ae88eca3024bb34bb3430f964beab71226e761f51b912de5133470b649d82344", size = 593473, upload-time = "2022-10-09T15:36:27.195Z" },
+    { url = "https://files.pythonhosted.org/packages/7d/50/e683d8418974a602ba40899c8a5c38b3decaf5a4d36c32fc65dce454d8a8/bcrypt-4.0.1-cp36-abi3-manylinux_2_24_x86_64.whl", hash = "sha256:a522427293d77e1c29e303fc282e2d71864579527a04ddcfda6d4f8396c6c36a", size = 593249, upload-time = "2022-10-09T15:36:28.481Z" },
+    { url = "https://files.pythonhosted.org/packages/fb/a7/ee4561fd9b78ca23c8e5591c150cc58626a5dfb169345ab18e1c2c664ee0/bcrypt-4.0.1-cp36-abi3-manylinux_2_28_aarch64.whl", hash = "sha256:fbdaec13c5105f0c4e5c52614d04f0bca5f5af007910daa8b6b12095edaa67b3", size = 583586, upload-time = "2022-10-09T15:37:11.962Z" },
+    { url = "https://files.pythonhosted.org/packages/64/fe/da28a5916128d541da0993328dc5cf4b43dfbf6655f2c7a2abe26ca2dc88/bcrypt-4.0.1-cp36-abi3-manylinux_2_28_x86_64.whl", hash = "sha256:ca3204d00d3cb2dfed07f2d74a25f12fc12f73e606fcaa6975d1f7ae69cacbb2", size = 593659, upload-time = "2022-10-09T15:36:30.049Z" },
+    { url = "https://files.pythonhosted.org/packages/dd/4f/3632a69ce344c1551f7c9803196b191a8181c6a1ad2362c225581ef0d383/bcrypt-4.0.1-cp36-abi3-musllinux_1_1_aarch64.whl", hash = "sha256:089098effa1bc35dc055366740a067a2fc76987e8ec75349eb9484061c54f535", size = 613116, upload-time = "2022-10-09T15:37:14.107Z" },
+    { url = "https://files.pythonhosted.org/packages/87/69/edacb37481d360d06fc947dab5734aaf511acb7d1a1f9e2849454376c0f8/bcrypt-4.0.1-cp36-abi3-musllinux_1_1_x86_64.whl", hash = "sha256:e9a51bbfe7e9802b5f3508687758b564069ba937748ad7b9e890086290d2f79e", size = 624290, upload-time = "2022-10-09T15:36:31.251Z" },
+    { url = "https://files.pythonhosted.org/packages/aa/ca/6a534669890725cbb8c1fb4622019be31813c8edaa7b6d5b62fc9360a17e/bcrypt-4.0.1-cp36-abi3-win32.whl", hash = "sha256:2caffdae059e06ac23fce178d31b4a702f2a3264c20bfb5ff541b338194d8fab", size = 159428, upload-time = "2022-10-09T15:36:32.893Z" },
+    { url = "https://files.pythonhosted.org/packages/46/81/d8c22cd7e5e1c6a7d48e41a1d1d46c92f17dae70a54d9814f746e6027dec/bcrypt-4.0.1-cp36-abi3-win_amd64.whl", hash = "sha256:8a68f4341daf7522fe8d73874de8906f3a339048ba406be6ddc1b3ccb16fc0d9", size = 152930, upload-time = "2022-10-09T15:36:34.635Z" },
+]
+
 [[package]]
 name = "black"
 version = "26.1.0"
@@ -559,6 +580,11 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/3b/a4/ab6b7589382ca3df236e03faa71deac88cae040af60c071a78d254a62172/passlib-1.7.4-py2.py3-none-any.whl", hash = "sha256:aa6bca462b8d8bda89c70b382f0c298a20b5560af6cbfa2dce410c0a2fb669f1", size = 525554, upload-time = "2020-10-08T19:00:49.856Z" },
 ]
 
+[package.optional-dependencies]
+bcrypt = [
+    { name = "bcrypt" },
+]
+
 [[package]]
 name = "pathspec"
 version = "1.0.4"