diff --git a/ide/bcpg/external/bcpg-jdk18on-1.78.1-license.txt b/ide/bcpg/external/bcpg-jdk18on-1.77-license.txt
similarity index 98%
rename from ide/bcpg/external/bcpg-jdk18on-1.78.1-license.txt
rename to ide/bcpg/external/bcpg-jdk18on-1.77-license.txt
index 2b190f5f2be9..b83486e8c08f 100644
--- a/ide/bcpg/external/bcpg-jdk18on-1.78.1-license.txt
+++ b/ide/bcpg/external/bcpg-jdk18on-1.77-license.txt
@@ -1,5 +1,5 @@
 Name: Bouncy Castle Java OpenPGP/BCPG
-Version: 1.78.1
+Version: 1.77
 License: MIT-bouncycastle
 Origin: https://www.bouncycastle.org/latest_releases.html
 Description: Legion of the Bouncy Castle Java cryptography APIs
diff --git a/ide/bcpg/external/binaries-list b/ide/bcpg/external/binaries-list
index e83e0070675b..ffaf5411742f 100644
--- a/ide/bcpg/external/binaries-list
+++ b/ide/bcpg/external/binaries-list
@@ -14,4 +14,4 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-6C8DBCEC20355278EC54840E735F63DB2479150E org.bouncycastle:bcpg-jdk18on:1.78.1
+BB0BE51E8B378BAAE6E0D86F5282CD3887066539 org.bouncycastle:bcpg-jdk18on:1.77
diff --git a/ide/bcpg/nbproject/project.properties b/ide/bcpg/nbproject/project.properties
index 1878d4edc3b7..5f7ec92ab2da 100644
--- a/ide/bcpg/nbproject/project.properties
+++ b/ide/bcpg/nbproject/project.properties
@@ -14,5 +14,5 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-release.external/bcpg-jdk18on-1.78.1.jar=modules/bcpg.jar
+release.external/bcpg-jdk18on-1.77.jar=modules/bcpg.jar
 is.autoload=true
diff --git a/ide/bcpg/nbproject/project.xml b/ide/bcpg/nbproject/project.xml
index 7ecf2fd7a55c..c541a48d1186 100644
--- a/ide/bcpg/nbproject/project.xml
+++ b/ide/bcpg/nbproject/project.xml
@@ -28,7 +28,7 @@
             <public-packages/>
             <class-path-extension>
                 <runtime-relative-path>bcpg.jar</runtime-relative-path>
-                <binary-origin>external/bcpg-jdk18on-1.78.1.jar</binary-origin>
+                <binary-origin>external/bcpg-jdk18on-1.77.jar</binary-origin>
             </class-path-extension>
         </data>
     </configuration>
diff --git a/ide/bcpkix/external/bcpkix-jdk18on-1.78.1-license.txt b/ide/bcpkix/external/bcpkix-jdk18on-1.77-license.txt
similarity index 98%
rename from ide/bcpkix/external/bcpkix-jdk18on-1.78.1-license.txt
rename to ide/bcpkix/external/bcpkix-jdk18on-1.77-license.txt
index 79e7ccaca780..98a3862749ad 100644
--- a/ide/bcpkix/external/bcpkix-jdk18on-1.78.1-license.txt
+++ b/ide/bcpkix/external/bcpkix-jdk18on-1.77-license.txt
@@ -1,5 +1,5 @@
 Name: Bouncy Castle Java Provider
-Version: 1.78.1
+Version: 1.77
 License: MIT-bouncycastle
 Origin: https://www.bouncycastle.org/latest_releases.html
 Description: Legion of the Bouncy Castle Java cryptography APIs
diff --git a/ide/bcpkix/external/binaries-list b/ide/bcpkix/external/binaries-list
index 584529ed90a1..7d5f95ed9230 100644
--- a/ide/bcpkix/external/binaries-list
+++ b/ide/bcpkix/external/binaries-list
@@ -14,4 +14,4 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-17B3541F736DF97465F87D9F5B5DFA4991B37BB3 org.bouncycastle:bcpkix-jdk18on:1.78.1
+ED953791BA0229747DD0FD9911E3D76A462ACFD3 org.bouncycastle:bcpkix-jdk18on:1.77
diff --git a/ide/bcpkix/nbproject/project.properties b/ide/bcpkix/nbproject/project.properties
index 799109822522..86038eb8727c 100644
--- a/ide/bcpkix/nbproject/project.properties
+++ b/ide/bcpkix/nbproject/project.properties
@@ -14,5 +14,5 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-release.external/bcpkix-jdk18on-1.78.1.jar=modules/bcpkix.jar
+release.external/bcpkix-jdk18on-1.77.jar=modules/bcpkix.jar
 is.autoload=true
diff --git a/ide/bcpkix/nbproject/project.xml b/ide/bcpkix/nbproject/project.xml
index d0e6a8cded27..5804f748c34a 100644
--- a/ide/bcpkix/nbproject/project.xml
+++ b/ide/bcpkix/nbproject/project.xml
@@ -28,7 +28,7 @@
             <public-packages/>
             <class-path-extension>
                 <runtime-relative-path>bcpkix.jar</runtime-relative-path>
-                <binary-origin>external/bcpkix-jdk18on-1.78.1.jar</binary-origin>
+                <binary-origin>external/bcpkix-jdk18on-1.77.jar</binary-origin>
             </class-path-extension>
         </data>
     </configuration>
diff --git a/ide/bcprov/external/bcprov-jdk18on-1.78.1-license.txt b/ide/bcprov/external/bcprov-jdk18on-1.77-license.txt
similarity index 98%
rename from ide/bcprov/external/bcprov-jdk18on-1.78.1-license.txt
rename to ide/bcprov/external/bcprov-jdk18on-1.77-license.txt
index 79e7ccaca780..98a3862749ad 100644
--- a/ide/bcprov/external/bcprov-jdk18on-1.78.1-license.txt
+++ b/ide/bcprov/external/bcprov-jdk18on-1.77-license.txt
@@ -1,5 +1,5 @@
 Name: Bouncy Castle Java Provider
-Version: 1.78.1
+Version: 1.77
 License: MIT-bouncycastle
 Origin: https://www.bouncycastle.org/latest_releases.html
 Description: Legion of the Bouncy Castle Java cryptography APIs
diff --git a/ide/bcprov/external/binaries-list b/ide/bcprov/external/binaries-list
index 2fcc88ee69ae..506941ec9cc3 100644
--- a/ide/bcprov/external/binaries-list
+++ b/ide/bcprov/external/binaries-list
@@ -14,4 +14,4 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-39E9E45359E20998EB79C1828751F94A818D25F8 org.bouncycastle:bcprov-jdk18on:1.78.1
+2CC971B6C20949C1FF98D1A4BC741EE848A09523 org.bouncycastle:bcprov-jdk18on:1.77
diff --git a/ide/bcprov/nbproject/project.properties b/ide/bcprov/nbproject/project.properties
index f3b4f1198662..26232b9671c1 100644
--- a/ide/bcprov/nbproject/project.properties
+++ b/ide/bcprov/nbproject/project.properties
@@ -14,5 +14,5 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-release.external/bcprov-jdk18on-1.78.1.jar=modules/bcprov.jar
+release.external/bcprov-jdk18on-1.77.jar=modules/bcprov.jar
 is.autoload=true
diff --git a/ide/bcprov/nbproject/project.xml b/ide/bcprov/nbproject/project.xml
index d6caf7c9c5ab..4ff15d74d7a5 100644
--- a/ide/bcprov/nbproject/project.xml
+++ b/ide/bcprov/nbproject/project.xml
@@ -28,7 +28,7 @@
             <public-packages/>
             <class-path-extension>
                 <runtime-relative-path>bcprov.jar</runtime-relative-path>
-                <binary-origin>external/bcprov-jdk18on-1.78.1.jar</binary-origin>
+                <binary-origin>external/bcprov-jdk18on-1.77.jar</binary-origin>
             </class-path-extension>
         </data>
     </configuration>
diff --git a/ide/bcutil/external/bcutil-jdk18on-1.78.1-license.txt b/ide/bcutil/external/bcutil-jdk18on-1.77-license.txt
similarity index 98%
rename from ide/bcutil/external/bcutil-jdk18on-1.78.1-license.txt
rename to ide/bcutil/external/bcutil-jdk18on-1.77-license.txt
index 40b0f68cdfd2..b6f1f252f82b 100644
--- a/ide/bcutil/external/bcutil-jdk18on-1.78.1-license.txt
+++ b/ide/bcutil/external/bcutil-jdk18on-1.77-license.txt
@@ -1,5 +1,5 @@
 Name: Bouncy Castle ASN.1 Extension and Utility APIs
-Version: 1.78.1
+Version: 1.77
 License: MIT-bouncycastle
 Origin: https://www.bouncycastle.org/latest_releases.html
 Description: Legion of the Bouncy Castle Java cryptography APIs
diff --git a/ide/bcutil/external/binaries-list b/ide/bcutil/external/binaries-list
index ce750944cc34..6d5924e2aa03 100644
--- a/ide/bcutil/external/binaries-list
+++ b/ide/bcutil/external/binaries-list
@@ -14,4 +14,4 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-5353CA39FE2F148DAB9CA1D637A43D0750456254 org.bouncycastle:bcutil-jdk18on:1.78.1
+DE3EAEF351545FE8562CF29DDFF4A403A45B49B7 org.bouncycastle:bcutil-jdk18on:1.77
diff --git a/ide/bcutil/nbproject/project.properties b/ide/bcutil/nbproject/project.properties
index e3a56bfd4f51..aed4ebf3bb52 100644
--- a/ide/bcutil/nbproject/project.properties
+++ b/ide/bcutil/nbproject/project.properties
@@ -14,5 +14,5 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-release.external/bcutil-jdk18on-1.78.1.jar=modules/bcutil.jar
+release.external/bcutil-jdk18on-1.77.jar=modules/bcutil.jar
 is.autoload=true
diff --git a/ide/bcutil/nbproject/project.xml b/ide/bcutil/nbproject/project.xml
index dc8270c95e91..12a4882db34f 100644
--- a/ide/bcutil/nbproject/project.xml
+++ b/ide/bcutil/nbproject/project.xml
@@ -28,7 +28,7 @@
             <public-packages/>
             <class-path-extension>
                 <runtime-relative-path>bcutil.jar</runtime-relative-path>
-                <binary-origin>external/bcutil-jdk18on-1.78.1.jar</binary-origin>
+                <binary-origin>external/bcutil-jdk18on-1.77.jar</binary-origin>
             </class-path-extension>
         </data>
     </configuration>