diff --git a/poetry.lock b/poetry.lock
index c811c4b229..106ba3a3ce 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -4255,18 +4255,18 @@ files = [
 
 [[package]]
 name = "pyopenssl"
-version = "25.3.0"
+version = "26.0.0"
 description = "Python wrapper module around the OpenSSL library"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 groups = ["main"]
 files = [
-    {file = "pyopenssl-25.3.0-py3-none-any.whl", hash = "sha256:1fda6fc034d5e3d179d39e59c1895c9faeaf40a79de5fc4cbbfbe0d36f4a77b6"},
-    {file = "pyopenssl-25.3.0.tar.gz", hash = "sha256:c981cb0a3fd84e8602d7afc209522773b94c1c2446a3c710a75b06fe1beae329"},
+    {file = "pyopenssl-26.0.0-py3-none-any.whl", hash = "sha256:df94d28498848b98cc1c0ffb8ef1e71e40210d3b0a8064c9d29571ed2904bf81"},
+    {file = "pyopenssl-26.0.0.tar.gz", hash = "sha256:f293934e52936f2e3413b89c6ce36df66a0b34ae1ea3a053b8c5020ff2f513fc"},
 ]
 
 [package.dependencies]
-cryptography = ">=45.0.7,<47"
+cryptography = ">=46.0.0,<47"
 typing-extensions = {version = ">=4.9", markers = "python_version < \"3.13\" and python_version >= \"3.8\""}
 
 [package.extras]
@@ -5994,4 +5994,4 @@ lxml = ">=3.8"
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.12,<4"
-content-hash = "f30b070c48563837582294360cbfe781fd5c2ae0105db75384d317c73caf0b44"
+content-hash = "dad42c175162339ff5c8549891773f022e2abd0b49e14282dff06b324c2bd51c"
diff --git a/pyproject.toml b/pyproject.toml
index b96e9e52d6..1d0548f19d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -274,7 +274,7 @@ pyinstrument = "^5.0"
 PyJWT = "^2.8"
 PyLD = "2.0.4"
 pymarc = "5.3.1"
-pyOpenSSL = "^25.0.0"
+pyOpenSSL = "^26.0.0"
 pyparsing = "3.3.2"
 pyspellchecker = "0.9.0"
 python = ">=3.12,<4"