diff --git a/libertem_asi_mpx3/pyproject.toml b/libertem_asi_mpx3/pyproject.toml
index b3d80d80..d18d9512 100644
--- a/libertem_asi_mpx3/pyproject.toml
+++ b/libertem_asi_mpx3/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["maturin>=0.13,<0.14"]
+requires = ["maturin>=1.5,<2"]
 build-backend = "maturin"
 
 [project]
@@ -11,6 +11,7 @@ classifiers = [
     "Programming Language :: Python :: Implementation :: PyPy",
 ]
 dependencies = [
+    "opentelemetry-api",
 ]
 
 [project.urls]
diff --git a/libertem_asi_tpx3/pyproject.toml b/libertem_asi_tpx3/pyproject.toml
index e3d9de96..e843374f 100644
--- a/libertem_asi_tpx3/pyproject.toml
+++ b/libertem_asi_tpx3/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["maturin>=1.4,<2"]
+requires = ["maturin>=1.5,<2"]
 build-backend = "maturin"
 
 [project]
@@ -10,6 +10,9 @@ classifiers = [
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
 ]
+dependencies = [
+    "opentelemetry-api",
+]
 
 [project.urls]
 repository = "https://github.com/LiberTEM/LiberTEM-rs/"
diff --git a/libertem_dectris/pyproject.toml b/libertem_dectris/pyproject.toml
index 27eee526..0bb2fb97 100644
--- a/libertem_dectris/pyproject.toml
+++ b/libertem_dectris/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["maturin>=1.3.1,<2"]
+requires = ["maturin>=1.5,<2"]
 build-backend = "maturin"
 
 [project]
@@ -12,6 +12,7 @@ classifiers = [
 ]
 dependencies = [
     "numpy>=1.16.0",
+    "opentelemetry-api",
 ]
 
 [project.urls]
diff --git a/libertem_qd_mpx/pyproject.toml b/libertem_qd_mpx/pyproject.toml
index 1f141a5d..24f21e96 100644
--- a/libertem_qd_mpx/pyproject.toml
+++ b/libertem_qd_mpx/pyproject.toml
@@ -12,6 +12,7 @@ classifiers = [
 ]
 dependencies = [
     "numpy>=1.16.0",
+    "opentelemetry-api",
 ]
 dynamic = ["version"]