diff --git a/.mise.toml b/.mise.toml
index f8c70b1..2568a4a 100644
--- a/.mise.toml
+++ b/.mise.toml
@@ -1,3 +1,6 @@
 [tools]
-pdm = "2.25"
+pdm = "2.26"
 python = ["3.12", "3.13", "3.14", "3.11", "3.10", "3.9"]
+
+[env]
+'_'.python.venv = { path = ".venv", create = true }
diff --git a/README.md b/README.md
index 5dda99e..aa80f6b 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ PDM and Poetry plugin to sync your pre-commit versions with your lockfile and au
 - Python 3.9+ to 3.14+
 - PDM 2.7.4 to 2.26+
   - Python 3.12.7+ requires PDM 2.20.1+
-- Poetry 1.6 to 2.2+
+- Poetry 1.6 to 2.3+
 - uv (lock version 1)
 
 > ℹ️ While we only test these versions, it should work with more recent versions.
diff --git a/tox.ini b/tox.ini
index 1dba1d6..f5cd65c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,13 +8,13 @@ env_list =
     py{313, 312}-pdm{226, 225, 224, 223, 222, 221, 220, HEAD}
     py{311, 310, 39}-pdm{226, 225, 224, 223, 222, 221, 220, 219, 218, 217, 216, 215, 214, 213, 212, 211, 210, 29, 28, 27, HEAD}
     py{313, 312, 311, 310, 39}-poetry{22, 21, 20, 18, 17, 16, HEAD}
-    py{314}-poetry{22, 18, HEAD}
+    py{314}-poetry{23, 22, 18, HEAD}
 
 [testenv]
 set_env =
     py{312,313}-pdm{220,221,222,223,226, 225, 224, 226,HEAD}: COVERAGE_FILE = .coverage.{envname}
-    py{314}-pdm{224,HEAD}: COVERAGE_FILE = .coverage.{envname}
-    py{39,310,311,312,313,314}-poetry{22, 21, 20, 18, 17, 16, HEAD}: COVERAGE_FILE = .coverage.{envname}
+    py{314}-pdm{224,225,226,HEAD}: COVERAGE_FILE = .coverage.{envname}
+    py{39,310,311,312,313,314}-poetry{23,22, 21, 20, 18, 17, 16, HEAD}: COVERAGE_FILE = .coverage.{envname}
     py{39,310,311}-pdm{27,28,29,210,211,212,213,214,215,216,217,218,219,220,221,222,223,226, 225, 224,HEAD}: COVERAGE_FILE = .coverage.{envname}
 commands =
     pytest --cov --cov-append --cov-report=term-missing {posargs:-vv} --cov-config=pyproject.toml
@@ -26,7 +26,7 @@ depends =
     report: py{314, 313, 312, 311, 310, 39}-pdm{226, 225, 224, 223, 222, 221, 220, 219, 218, 217, 216, 215, 214, 213, 212, 211, 210, 29, 28, 27, HEAD}
     report: py{314, 313, 312, 311, 310, 39}-poetry{22, 21, 20, 18, 17, 16, HEAD}
     py{314, 313, 312, 311, 310, 39}-pdm{226, 225, 224, 223, 222, 221, 220, 219, 218, 217, 216, 215, 214, 213, 212, 211, 210, 29, 28, 27, HEAD}: clean
-    py{314, 313, 312, 311, 310, 39}-poetry{22, 21, 20, 18, 17, 16, HEAD}: clean
+    py{314, 313, 312, 311, 310, 39}-poetry{23, 22, 21, 20, 18, 17, 16, HEAD}: clean
 
 [testenv:clean]
 skip_install = true
@@ -65,10 +65,15 @@ deps =
     pdm218: pdm<2.19,>=2.18
     pdm219: pdm<2.20,>=2.19
     pdm220: pdm<2.21,>=2.20
+    pdm221: hishel<1.0
     pdm221: pdm<2.22,>=2.21
+    pdm222: hishel<1.0
     pdm222: pdm<2.23,>=2.22
+    pdm223: hishel<1.0
     pdm223: pdm<2.24,>=2.23
+    pdm224: hishel<1.0
     pdm224: pdm<2.25,>=2.24
+    pdm225: hishel<1.0
     pdm225: pdm<2.26,>=2.25
     pdm226: pdm<2.27,>=2.26
     pdm27: pdm<2.8,>=2.7
@@ -76,7 +81,7 @@ deps =
     pdm29: pdm<2.10,>=2.9
     pdmHEAD: pdm@ git+https://github.com/pdm-project/pdm.git
 
-[testenv:py{314,313,312, 311, 310, 39}-poetry{16, 17, 18, 20, 21, 22, HEAD}]
+[testenv:py{314,313,312, 311, 310, 39}-poetry{16, 17, 18, 20, 21, 22, 23,HEAD}]
 package = editable
 deps =
     -r requirements-tox.txt
@@ -86,14 +91,15 @@ deps =
     poetry20: poetry<2.1,>=2
     poetry21: poetry<2.2,>=2.1
     poetry22: poetry<2.3,>=2.2
+    poetry23: poetry<2.4,>=2.3
     poetryHEAD: poetry@ git+https://github.com/python-poetry/poetry.git
 
 [gh]
 python =
-    3.9= py39-pdm{27,28,29,210,211,212,213,214,215,216,217,218,219,220,221,222,223,225,224,HEAD},py39-poetry{22, 21, 20, 18, 17, 16, HEAD}, report, clean
-    3.10= py310-pdm{27,28,29,210,211,212,213,214,215,216,217,218,219,220,221,222,223,225,224,HEAD}, py310-poetry{22, 21, 20, 18, 17, 16, HEAD}, report, clean
-    3.11= py311-pdm{27,28,29,210,211,212,213,214,215,216,217,218,219,220,221,222,223,225,224,HEAD}, py311-poetry{22, 21, 20, 18, 17, 16, HEAD}, report, clean
-    3.12= py312-pdm{220,221,222,223,225,224,226,HEAD}, py312-poetry{22, 21, 20, 18, 17, 16, HEAD}, report, clean
-    3.13= py313-pdm{220,221,222,223,225,224,226,HEAD}, py313-poetry{22, 21, 20, 18, 17, 16, HEAD}, report, clean
-    3.14= py314-pdm{226,HEAD}, py314-poetry{22, 21, 20, 18, 17, 16, HEAD}, report, clean
+    3.9= py39-pdm{27,28,29,210,211,212,213,214,215,216,217,218,219,220,221,222,223,225,224,HEAD},py39-poetry{23, 22, 21, 20, 18, 17, 16, HEAD}, report, clean
+    3.10= py310-pdm{27,28,29,210,211,212,213,214,215,216,217,218,219,220,221,222,223,225,224,HEAD}, py310-poetry{23, 22, 21, 20, 18, 17, 16, HEAD}, report, clean
+    3.11= py311-pdm{27,28,29,210,211,212,213,214,215,216,217,218,219,220,221,222,223,225,224,HEAD}, py311-poetry{23, 22, 21, 20, 18, 17, 16, HEAD}, report, clean
+    3.12= py312-pdm{220,221,222,223,225,224,226,HEAD}, py312-poetry{23, 22, 21, 20, 18, 17, 16, HEAD}, report, clean
+    3.13= py313-pdm{220,221,222,223,225,224,226,HEAD}, py313-poetry{23, 22, 21, 20, 18, 17, 16, HEAD}, report, clean
+    3.14= py314-pdm{226,HEAD}, py314-poetry{23, 22, 21, 20, 18, 17, 16, HEAD}, report, clean
 fail_on_no_env = True