diff --git a/.devcontainer/cpp/requirements.in b/.devcontainer/cpp/requirements.in
index 8d1d9d1b..63b48a9d 100644
--- a/.devcontainer/cpp/requirements.in
+++ b/.devcontainer/cpp/requirements.in
@@ -1,3 +1,3 @@
 cmake==4.1.0
 conan==2.20.1
-gcovr==8.3
+gcovr==8.4
diff --git a/.devcontainer/cpp/requirements.txt b/.devcontainer/cpp/requirements.txt
index 954a19f6..978270b6 100644
--- a/.devcontainer/cpp/requirements.txt
+++ b/.devcontainer/cpp/requirements.txt
@@ -155,9 +155,9 @@ fasteners==0.19 \
     --hash=sha256:758819cb5d94cdedf4e836988b74de396ceacb8e2794d21f82d131fd9ee77237 \
     --hash=sha256:b4f37c3ac52d8a445af3a66bce57b33b5e90b97c696b7b984f530cf8f0ded09c
     # via conan
-gcovr==8.3 \
-    --hash=sha256:d613a90aeea967b4972fbff69587bf8995ee3cd80df2556983b73141f30642d2 \
-    --hash=sha256:faa371f9c4a7f78c9800da655107d4f99f04b718d1c0d9f48cafdcbef0049079
+gcovr==8.4 \
+    --hash=sha256:1016d013d6c55225b1f716a4325e16ad5d626ff05b20b8a12d542e2d9a82ac21 \
+    --hash=sha256:8ea0cf23176b1029f28db679d712ca6477b3807097c3755c135bdc53b51cfa72
     # via -r cpp/requirements.in
 idna==3.10 \
     --hash=sha256:12f65c9b470abda6dc35cf8e63cc574b1c52b11df2c86030af0ac09b01b13ea9 \