diff --git a/build_defs/requirements.txt b/build_defs/requirements.txt
index 1a74c979d..a37935fd5 100644
--- a/build_defs/requirements.txt
+++ b/build_defs/requirements.txt
@@ -9,6 +9,6 @@ protobuf
 pydantic==1.10.13 --no-binary pydantic
 pygments
 libcst==1.1.0
-deepdiff==6.7.1
+deepdiff==8.6.1
 matplotlib # only used for example
 pandas  # only used for example
diff --git a/build_defs/requirements_lock.txt b/build_defs/requirements_lock.txt
index 9e56b24c8..fd15020ca 100644
--- a/build_defs/requirements_lock.txt
+++ b/build_defs/requirements_lock.txt
@@ -176,9 +176,9 @@ cycler==0.12.1 \
     --hash=sha256:85cef7cff222d8644161529808465972e51340599459b8ac3ccbac5a854e0d30 \
     --hash=sha256:88bb128f02ba341da8ef447245a9e138fae777f6a23943da4540077d3601eb1c
     # via matplotlib
-deepdiff==6.7.1 \
-    --hash=sha256:58396bb7a863cbb4ed5193f548c56f18218060362311aa1dc36397b2f25108bd \
-    --hash=sha256:b367e6fa6caac1c9f500adc79ada1b5b1242c50d5f716a1a4362030197847d30
+deepdiff==8.6.1 \
+    --hash=sha256:ec56d7a769ca80891b5200ec7bd41eec300ced91ebcc7797b41eb2b3f3ff643a \
+    --hash=sha256:ee8708a7f7d37fb273a541fa24ad010ed484192cd0c4ffc0fa0ed5e2d4b9e78b
     # via -r build_defs/requirements.txt
 exceptiongroup==1.1.3 \
     --hash=sha256:097acd85d473d75af5bb98e41b61ff7fe35efe6675e4f9370ec6ec5126d160e9 \