diff --git a/poetry.lock b/poetry.lock
index 7cf1506d2..0bf3029a4 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -4298,7 +4298,6 @@ files = [
     {file = "psycopg2_binary-2.9.10-cp313-cp313-musllinux_1_2_i686.whl", hash = "sha256:bb89f0a835bcfc1d42ccd5f41f04870c1b936d8507c6df12b7737febc40f0909"},
     {file = "psycopg2_binary-2.9.10-cp313-cp313-musllinux_1_2_ppc64le.whl", hash = "sha256:f0c2d907a1e102526dd2986df638343388b94c33860ff3bbe1384130828714b1"},
     {file = "psycopg2_binary-2.9.10-cp313-cp313-musllinux_1_2_x86_64.whl", hash = "sha256:f8157bed2f51db683f31306aa497311b560f2265998122abe1dce6428bd86567"},
-    {file = "psycopg2_binary-2.9.10-cp313-cp313-win_amd64.whl", hash = "sha256:27422aa5f11fbcd9b18da48373eb67081243662f9b46e6fd07c3eb46e4535142"},
     {file = "psycopg2_binary-2.9.10-cp38-cp38-macosx_12_0_x86_64.whl", hash = "sha256:eb09aa7f9cecb45027683bb55aebaaf45a0df8bf6de68801a6afdc7947bb09d4"},
     {file = "psycopg2_binary-2.9.10-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:b73d6d7f0ccdad7bc43e6d34273f70d587ef62f824d7261c4ae9b8b1b6af90e8"},
     {file = "psycopg2_binary-2.9.10-cp38-cp38-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:ce5ab4bf46a211a8e924d307c1b1fcda82368586a19d0a24f8ae166f5c784864"},
@@ -6943,4 +6942,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<3.13"
-content-hash = "d0ede41d42b5055bb0407edae762e53ba90311e3e4bb616595e0213b87f5f1e6"
+content-hash = "cc0e77ee55f4fa9e7523ea5382d359672b63809f28c532878672422f2158cd8d"
diff --git a/pyproject.toml b/pyproject.toml
index fa8d227f3..59ef2b600 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,10 +22,9 @@ rich = "^14.0.0"
 datasets = "^3.6.0"
 requests = "^2.32.4"
 pycountry = "24.6.1"
-opentelemetry-api = "^1.29.0"
-opentelemetry-sdk = "^1.29.0"
+opentelemetry-api = "^1.34.1"
+opentelemetry-sdk = "^1.34.1"
 huggingface-hub = "^0.32.4"
-opentelemetry-exporter-otlp-proto-http = "1.29.0"
 # summary grader
 rouge-score = "^0.1.2"
 sacrebleu = "^2.5.1"
@@ -37,6 +36,12 @@ psycopg2-binary = "^2.9.9"
 aiohttp = "^3.12.12"
 python-liquid = "^1.13.0"
 
+# exporter is OPTIONAL – won’t be pulled in unless the extra is requested
+opentelemetry-exporter-otlp-proto-http = { version = "^1.34.1", optional = true }
+
+[tool.poetry.extras]
+otel-http = ["opentelemetry-exporter-otlp-proto-http"]
+
 [tool.poetry.group.dev.dependencies]
 # lint & format
 mypy = "^1.16.0"