diff --git a/poetry.lock b/poetry.lock
index 8e8cc97..7bed67c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -4294,38 +4294,38 @@ diagrams = ["jinja2", "railroad-diagrams"]
 
 [[package]]
 name = "pyreadr"
-version = "0.5.4"
+version = "0.5.6"
 description = "Reads/writes R RData and Rds files into/from pandas data frames."
 optional = false
 python-versions = "*"
 groups = ["main"]
 files = [
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+    {file = "pyreadr-0.5.6.tar.gz", hash = "sha256:ec10bef1798a4d9e91ff75ab69fbcd009a3fad2250c79f5377e19e787c949b8f"},
 ]
 
 [package.dependencies]
@@ -6156,4 +6156,4 @@ propcache = ">=0.2.1"
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<3.12"
-content-hash = "a387e354f452aa1c33d2c37781c3b12dd892d863bc9b8e25e8ddf9382598b944"
+content-hash = "3fa10622d6bcd5d8c759fe4cb484569b9e86214de0291419a47401c38c98ce73"
diff --git a/pyproject.toml b/pyproject.toml
index 3e563f6..0c74470 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ pandas-stubs = "2.3.3.260113" # type hints for pandas
 tqdm = "4.67.3" # progress bar
 types-tqdm = "4.67.3.20260408" # type hints for tqdm
 pydantic = "2.13.3" # data validation
-pyreadr = "0.5.4" # read R data files
+pyreadr = "0.5.6" # read R data files
 types-psutil = "7.2.2.20260408" # type hints for psutil
 psutil = "7.2.2" # process and system utilities
 torchview = "0.2.7" # model visualization library